Asteroid and Comet Impact Hazard
Bibliography (1992-1998)

Note: The following list contains only important recent scientific papers on this subject. In general, the list does not include papers on Comet Shoemaker-Levy 9 and its collision with Jupiter, on the KT impact and mass extinction, on meteors and meteor showers, or on the dynamics and physical properties of meteorites, comets and asteroids, unless these papers relate directly to the impact hazard or planetary defense. A few books on the subject are included, but most references are to technical papers in the refereed professional literature.
The bibliography was compiled by David Morrison.

Index:

1992 - 1993 - 1994 - 1995 - 1996 - 1997 - 1998

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1992

Ahrens, T.J. and A.W. Harris
Deflection and fragmentation of near-Earth asteroids.
Nature 360:429-433 (1992)

Ceplecha, Z.
Influx of interplanetary bodies onto Earth.
Astronomy & Astrophysics 263: 361-366 (1992)

Hudson, R.S. and S.J. Ostro
Shape of asteroid 4769 Castalia (1989 PB) from inversion of radar images.
Science 263:940-943 (1994).

Morrison, D. (editor)
The Spaceguard Survey:
Report of the NASA International Near-Earth-Object Detection Workshop.
NASA Publication (1992)

Rabinowitz, D.L.
The flux of small asteroids near the Earth.
In Asteroids, Comets, Meteors 1991 (A.W. Harris and E. Bowell, editors),
Lunar and Planetary Institute, 481-486 (1992)

Sagan, C.
Between enemies.
Bull. Atomic Scientists 48:24 (1992)

1993

Ahrens, T.J.
Deflection and fragmentation of near-Earth asteroids.
In Proceedings of the Near-Earth-Object Interception Workshop
(G. Canavan, J. Solem, and D.G. Rather, editors),
Los Alamos Publication LANL 12476-C, 89-110 (1993)

Canavan, G.H.
Value of space defenses.
In Proceedings of the Near- Earth-Object Interception Workshop
(G. Canavan, J. Solem, and D.G. Rather, editors),
Los Alamos Publication LANL 12476-C, 261-274 (1993)

Canavan, G.H., J.C. Solem, and D.G. Rather (editors)
Proceedings of the Near-Earth-Object Interception Workshop.
Los Alamos Publication LANL 12476-C (1993)

Canavan, G.H. and J. Solem
Near-Earth object interception workshop summary.
In Proceedings of the Near-Earth-Object Interception Workshop
(G. Canavan, J. Solem, and D.G. Rather, editors),
Los Alamos Publication LANL 12476-C, 20-48 (1993)

Ceplecha, Z.
Impacts of meteoroids larger than 1 m onto the Earth's atmosphere.
Astronomy & Astrophysics 286: 967-970 (1994)

Chyba, C.F.
Explosions of small Spacewatch objects in the Earth's atmosphere.
Nature 363:701-702 (1993)

Chyba, C.F., P.J. Thomas, and K.J. Zahnle
The 1908 Tunguska explosion: atmospheric disruption of a stony asteroid.
Nature 361:40- 44 (1993)

Hills, J.G. and M.P. Goda
The fragmentation of small asteroids in the atmosphere.
Astronomical J. 105:1114-1144 (1993)

Melosh, H.J. and I.V. Nemchinov
Solar asteroid diversion.
Nature 366:21-22 (1993)

Morrison, D.
An international program to protect the Earth from impact catastrophe: First steps.
Acta Astronautica 30:11-16 (1993)

Rabinowitz, D.L. et al.
Evidence for a near-Earth asteroid belt.
Nature363:704-706 (1993)

Solem, J.C.
Interception of comets and asteroids on collision course with the Earth.
In Proceedings of the Near-Earth-Object Interception Workshop
(G. Canavan, J. Solem, and D.G. Rather, editors),
Los Alamos Publication LANL 12476-C, 131-154 (1993)

Teller, E.
Why now?
In Proceedings of the Near-Earth-Object Interception Workshop
(G. Canavan, J. Solem, and D.G. Rather, editors),
Los Alamos Publication LANL 12476-C, 275-279 (1993)

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1994

Adushkin, V.V. and I.V. Nemchinov
Consequences of impacts of cosmic bodies on the surface of the Earth.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 721- 778 (1994)

Ahrens, T.J. and A.W. Harris
Deflection and fragmentation of near- Earth asteroids.
In Hazards Due to Comets and Asteroids (T. Gehrels, ed.),
University of Arizona Press, 897-928 (1994)

Bailey, M.E., S.V.M. Clube, G. Hahn, W.M. Napier, and G.B. Valsecchi
Hazards due to short-period comets: Climate and short-term catastrophism.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 479-536 (1994)

Bowell, E. and K. Muinonen
Earth-crossing asteroids and comets: Groundbased search strategies.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 149-198 (1994)

Canavan, G.H.
Cost and benefit of near-Earth object detection and interception.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 1157-1190 (1994)

Canavan, G.H., J.C. Solem, and J.D.G. Rather
Near-Earth-object interception workshop.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 93-126 (1994)

Chapman, C.R., A.W. Harris, and R. Binzel
Physical properties of near-Earth asteroids: Implicatins for the hazard issue.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 537-550 (1994)

Chapman, C.R. and D. Morrison
Impacts on the Earth by asteroids and comets: assessing the hazard.
Nature 367:33-39 (1994)

Covey, C. et al.
Global climatic effects of atmospheric dust from an asteroid or comet impact on Earth.
Global and Planetary Change 9:263-273 (1994)

Grieve, R.A.F. and E.M. Shoemaker
The record of past impacts on Earth.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 417-462 (1994)

Harris, A.W., G.H. Canavan, C. Sagan, and S.J. Ostro
The deflection dilemma:
Use versus misuse of technologies for avoiding interplanetary collision hazards.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 1145-1156 (1994)

Hills, J.G., I.V. Nemchinov, S.P. Popov, and A.V. Teterev
Tsunami generated by small asteroid impacts.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 779-790 (1994)

Longo, et al.
Search for microremnants of the Tunguska cosmic body.
Planetary & Space Sci. 42:163-177 (1994)

Marsden, B.G. and D.I. Steel
Warning times and impact probabilities for long-period comets.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 221-240 (1994)

Melosh, H.J., I.V. Nemchimov, and Yu.I. Zetzer
Non-nuclear strategies for deflecting comets and asteroids.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 1111-1134 (1994)

Morrison, D., C.R. Chapman, and P. Slovoc
The impact hazard.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 59-92 (1994)

Ostro, S.J.
The role of groundbased radar in near-Earth object hazard identification and mitigation.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 259-284 (1994)

Park, R.L., L.B. Garver, and T. Dawson
The lesson of Grand Forks: Can defense against asteriods be sustained?
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 1225- 1232 (1994)

Pope, K.O. et al.
Impact winter and the Cretaceous/Tertiary extinction:
results of a Chicxulub asteroid impact model.
Earth & Planetary Science Letters 128:719-725 (1994)

Rabinowitz, D.L., E. Bowell, E.M. Shoemaker, and L. Muinonen
The population of Earth-crossing asteroids.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 285-312 (1994)

Rahe, J., V. Vanysek, and P.R. Weissman
Properties of cometary nuclei.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 597-634 (1994)

Sagan, C. and S. Ostro
Dangers of asteroid deflection.
Nature 369:501 (1994)

Shoemaker, E.M., P.R. Weissman, and C.S. Shoemaker
The flux of periodic comets near the Earth.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 313-336 (1994)

Simonenko, V.A. et al.
Defending the Earth against impacts from large comets and asteroids.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 929-954 (1994)

Tagliaferri, E., R. Spalding, C. Jacobs, S.P. Worden, and A. Erlich
Detection of meteoroid impacts by optical sensors in Earth orbit.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 199-220 (1994)

Toon, O.B., K.Zahnle, R.P. Turco, and C. Covey
Environmental perturbations caused by impacts.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 791-826 (1994)

Weissman, P.R.
The comet and asteroid impact hazard in perspective.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 1191-1212 (1994)

Yeomans, D.K. and P.W. Chodas
Predicting close approaches of asteroids and comets to Earth.
In Hazards Due to Comets and Asteroids (T. Gehrels, editor),
University of Arizona Press, 241-258 (1994)

1995

Binzel, R. P.
Near-Earth objects: Friends or foes?
Planetary Report 15 (2): 8-11 (1995)

Chapman, C.R.
What if?
In The Great Comet Crash (J.R. Spencer and J. Mitton, editors),
U. Cambridge Press, 97-102 (1995)

Hudson, R.S. and S.J. Ostro
Shape and non-principal-axis spin state of asteroid 4179 Toutatis.
Science 270:84-86 (1995).

McCord, T.B. et al.
Detection of a meteoroid entry into the Earth's atmosphere on February 1, 1994.
J. Geophysical Research (Planets) 100:3245-3250 (1995)

Melosh, H.J.
Wiser after the event?
In The Great Comet Crash (J.R. Spencer and J. Mitton, editors),
U. Cambridge Press, 103-108 (1995)

Muinonen, K., E. Bowell, and K. Lumme
Interrelating asteroid size, albedo, and magnitude distributions.
Astronomy & Astrophysics 293:948-952 (1995)

Ostro, S.J. et al.
Extreme elongation of asteroid 1620 Geographos from radar images.
Nature 375: 474-477 (1995).

Ostro, S.L. et al.
Radar images of asteroid 4179 Toutatis.
Science 270: 80-83 (1995).

Steel, D.
Rogue Asteroids and Doomsday Comets;
The Search for the Million-Megaton Menace that Threatens Life on Earth.
Wiley, pp 308 (1995)

Svetsov, V.V., I.V. Nemtchinov, and A.V. Teterev
Disintegration of large meteoroids in the Earth's atmosphere: Theoretical models.
Icarus 116:131-153 (1995)

 

1996

Clube, S.V.M.
Evolution, punctuational crises and the threat to civilization.
In Earth Moon and Planets 72:433-440 (1996)

Clube, S.V.M., F. Hoyle, W.M. Napier and N.C.Wickramasinghe
Giant comets, evolution and civilization.
In Astrophysics and Space Science 245:43-60 (1996)

Harris, A.W.
Can we defend the Earth against impacts by comets and small asteroids?
Mercury 25:12-13 (1996)

E.M. Kolesnikov, E.M., T. Bottger, A. Hiller, F. W. Junge, N. V. Kolesnikova
Isotope anomalies of carbon, hydrogen and nitrogen in peat from
the area of the Tunguska cosmic body explosion (1908).
Isotopes in Environmental and Health Studies 32, 347-361 (1996)

Milani, A., A. Villani and M. Stiavelli
Discovery of very small asteroids by automated trail detection.
Earth Moon and Planets 72:257-262, 1996.

Muinonen, K.
Discovery and follow-up simulations for small Earth- crossing asteroids.
Planetary and Space Science, in press.

Lewis, J.
Rain of Iron and Ice; The Very Real Threat of Comet and Asteroid Bombardment. Addison-Wesley, pp 236 (1996)

Ostro, S.J. et al.
Radar observations of asteroid 1620 Geographos.
Icarus 121: 44-66 (1996).

Powell, J.L.
Night Comes to the Cretaceous.
W.H. Freeman, pp250 (1998)

Sansaturio, M.E., A. Milani and L. Cattaneo
Nonlinear optimization and the asteroid identification problem.
In Dynamics, Ephemerides and Astrometry of the Solar System,
(ed. Ferraz-Mello) Kluwer, 193-198 (1996)

Scheeres, D.J., S.J. Ostro, R.S. Hudson and R.A. Werner
Orbits close to asteroid 4769 Castalia.
Icarus 121: 67-87 (1996).

Svetsov, V.V.
Total ablation of the debris from the 1908 Tunguska explosion.
Nature 383:697-699 (1996)

Verschuur, G.L.
Impact: The Threat of Comets and Asteroids.
Oxford University Press, pp 237 (1996)

Zahnle, K.
Tunguska: Leaving no stone unburned.
Nature 383:674- 675 (1996)

1997

Alvarex, W.
T. Rex and the Crater of Doom.
Princeton University Press, pp 185 (1997)

Binzel, R.P.
A near-Earth object hazard index.
Annals of the New York Academy of Science 822 (1997)

Boattini, A. and A. Carusi
Atens: Importance among near-Earth asteroids and search strategies.
Vistas in Astronomy 41:527-541 (1997)

Bottke, W.F., D.C. Richardson, and S.G. Love
Can tidal disruption of asteroids make crater chains on the Earth and Moon?
Icarus 126:470-474 (1997)

Boslough, M.B.E. and D.A. Crawford
Shoemaker-Levy 9 and plume-forming collisions on Earth.
Annals of the New York Academy of Science 822:236-282 (1997)

Canavan, G.H.
Optimal detection of near-Earth object threats.
Annals of the New York Academy of Science 822 (1997)

Ceplecha, Z., C. Jacobs and C. Zaffery
Correlation of ground- and space-based bolides.
Annals of the New York Academy of Science 822:145-154 (1997)

Chapman, C.R.
Gaspra and Ida: Implications of spacecraft reconnaissance for NEO issues.
Annals of the New York Academy of Science 822 (1997)

Conway, B.A.
Optimal low-thrust interception of Earth-crossing asteroid.
J. Guidance Control Technology 20:995-1002 (1997)

Cordelli, A. and P. Farinella
A new model to simulate impact breakup.
Planetary Space Science 45:1639-1647 (1997)

Fortov, V., V. Kondaurov and I. Lomov
Investigation of the nuclear explosion effect on asteroids.
International J. Impact Engineering 20:265-269 (1997)

Friedman, G.J.
Risk management applied to planetary defense.
IEEE Trans. Aerospace Electronic Systems 33:721-733 (1997)

Gehrels, T.
A proposal to the United Nations regarding the international
discovery programs of near-Earth asteroids.
Annals of the New York Academy of Science 822:603-605 (1997)

Gerrard, M.B.
Asteroids and comets: U.S. and international law
and the lowest-probability, highest consequence risk.
New York University Environmental Law Journal 6:1 (1997)

Grieve, R.A.F.
Extraterrestrial impact events: The record in the rocks and the stratigraphic column. Paleogeography, Paleoclimatology, Paleoecology 132:5-23 (1997)

Grieve, A.H.F.
Target Earth: Evidence for Large-Scale Impact Events.
Annals of the New York Academy of Science 822 (1997)

Harris, A.W.
Evaluation of ground-based optical surveys for near- Earth asteroids.
Planetary & Space Science, in press (1997)

Helin, E.F., S.H. Pravdo, D.L. Rabinowitz, and K.J. Lawrence
Near-Earth asteroid tracking (NEAT) program.
Annals of the New York Academy of Science 822:6-25 (1997)

Hills, J.G. and C.L. Mader
Tsunami produced by the impacts of small asteroids.
Annals of the New York Academy of Science 822 (1997)

Hudson, R.S., S.J. Ostro, and A.W. Harris
Constraints on spin state and Hapke parameters of asteroid 4769 Castalia
using lightcurves and a radar-derived shape model.
Icarus 130:165-176 (1997)

Jenniskens, P., H. Betlem, M. deLignie, and M. Langbroek
The detection of a dust trail in the orbit of an Earth-threatening long-period comet.
Astrophysical J. 479:441-447 (1997)

Keller, G.
Asteroid impacts and mass extinctions: No cause for concern.
Annals of the New York Academy of Science 822 (1997)

Kozai, Y.
Dynamical behaviour of Earth orbit crossing asteroids.
Planetary Space Science 12:1557-1560 (1997)

Kring, D.A.
Air blast produced by the Meteor Crater impact event
and a reconstruction of the affected environment.
Meteoritics and Planetary Science 32:517-530 (1997)

Lazzarin, M., M. DiMartino, M.A. Barucci, A. Doressoundiram, and M. Florczak
Compositional properties of near-Earth asteroids:
Spectroscopic comparison with ordinary chondrite meteorites.
Astronomy & Astrophysics 327:388-391 (1997)

Marsden, B.G.
Overview of orbits.
Annals of the New York Academy of Science 822:52-66 (1997)

McEwen, A.S., J.M. Moore, and E.M. Shoemaker
The Phanerozoic impact cratering rate: Evidence from the farside of the Moon.
J. Geophysical Research (Planets) 102:9231-9242 (1997)

Melosh, H.J. and E.V. Ryan
Asteroids: Shattered but not dispersed.
Icarus 129:562-564 (1997)

Melosh, H.J.
Atmospheric screening of comet and asteroid impacts.
Annals of the New York Academy of Science 822 (1997)

Morrison, D.:
The contemporary hazard of cometary impacts.
In Comets and the Origin and Evolution of Life
(P.J. Thomas, C.F. Chyba, and C.P. McKay, editors), Springer, 243-258 (1997)

Morrison, D.
Is the sky falling?
Skeptical Inquirer May/June (1997)

Nemtchinov, C.J., and E. Tagliaferri
Analysis of satellite observations of large meteoroid impacts.
Annals of the New York Academy of Science 822 (1997)

Poag, C.W.
The Chesapeake Bay bolide impact:
A convulsive event in Atlantic Coastal Plain evolution.
Sedimentary Geology 108:45 (1997)

Poag, C.W.
Roadblocks on the kill curve: Testing the Raup hypothesis.
Palaios 12:582-590 (1997)

Rampino, M.R., B.M. Haggerty and T.C. Pagano
A unified theory of impact crises and mass extinctions: Quantitative tests.
Annals of the New York Academy of Science 822:403-431 (1997)

Roulston, M.S. and T.J Ahrens
Impact mechanics and frequency of SL9-type events on Jupiter.
Icarus 126:138-147 (1997)

Shafer, B.P., M.D. Garcia, R.A. Managan, J.L. Remo,
C.E. Rosenkilde, R.J. Scammon, C.M. Snell, and R.F. Stellingwerf
Momentum coupling to NEOs.
Annals of the New York Academy of Science 822 (1997)

Sharpton, V.L. and L.E. Marin
The Cretaceous-Tertiary impact crater and the cosmic projectile that produced it.
Annals of the New York Academy of Science 822 (1997)

Simonenko, V.A.
Several aspects of space protection of the Earth: Conceptual development.
Annals of the New York Academy of Science 822 (1997)

Steel, D.
Cometary impacts on the biosphere.
In Comets and the Origin and Evolution of Life
(P.J. Thomas, C.F. Chyba, and C.P. McKay, editors), Springer, 209-241 (1997)

Steel, D.
Project Spaceguard: Will humankind go the way of the dinosaurs?
Irish Astronomical Journal 24:19-30 (1997).

Steel, D.I.
The ABC of ACM: Asteroids, Buffon and comets.
Planetary & Space Science 45:1501-1503 (1997).

Steel, D.I., R.H. McNaught, G.J. Garradd, D.J. Asher and K.S. Russell
AANEAS: A valedictory Report.
Australian Journal of Astronomy 7:67-77 (1997).

Steel, D.I., R.H. McNaught, G.J. Garradd, D.J. Asher and A.D. Taylor
Near-Earth asteroid 1995 HM: a highly-elongated monolith rotating under tension?
Planetary Space Science 45:1091-1098 (1997).

Stokes, G.H. and D.F. Kostishack
Technology for the detection of near-Earth objects.
Annals of the New York Academy of Science 822 (1997)

Toon, O.B., K. Zahnle, D. Morrison, R.P. Turco, and C. Covey
Environmental pertubations caused by the impacts of asteroids and comets.
Reviews of Geophysics 35:41-78 (1997)

Ward, P.W.
On kill curves and sampling protocols:
Studying the relationships between impact and extinction.
Annals of the New York Academy of Science 822 (1997)

Weissman, P.R.
Long-period comets and the Oort cloud.
Annals of the New York Academy of Science.822:67-95 (1997)

Yabushita, S.
On the possible hazard on the major cities
caused by asteroid impact in the Pacific Ocean - II.
Earth Moon Planets 76:117-121 (1997)

Zappala, V., A. Cellino, M. DiMartino, F. Migliorini, and P. Paolicchi
Maria's family: Physical structure and possible implications for the origin of giant NEAs.
Icarus 129:1-20 (1997)

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    1998

 

Asher, D.J. and D.I. Steel
On the possible relation between the Tunguska bolide and Comet Encke.
Planetary Space Science 46:205-211 (1998).

Asphaug, E., S.J. Ostro, R.S. Hudson, D.J. Scheeres, and W. Benz
Disruption of kilometre-sized asteroids by energetic collisions.
Nature 393:437-440 (1998)

Chyba, C.F., G.E. van der Vink, and C.B. Hennet
Monitoring the Comprehensive Test Ban Treaty:
Possible ambiguities due to meteorite impacts.
Geophysical Research Lett. 25:191-194 (1998).

Crawford, D.A.
Modeling asteroid impact and tsunami.
Science of Tsunami Hazards 16:21-30 (1998)

Farinella, P. and M. Menichella
The flux of Tunguska-sized fragments from the main asteroid belt.
Planetary Space Science 46:303-309 (1998).

Gritzner, C.
Analysis of alternative systems for orbit alteration of near-Earth asteroids and comets.
Thesis at Technische Universitaet Berlin, ESA technical translation: ESA-TT-1349 (1998)

Harris, A.W.
Evaluation of ground-based optical surveys for near-Earth asteroids.
Planetary Space Science 46:283-290 (1998)

Harris, A.W.
Making and braking asteroids.
Nature 393:418-419 (1998).

Hills, J.C. and M.P. Goda
Damage from the impacts of small asteroids and comets.
Planetary Space Science 46:219-229 (1998)

Hills, J.C. and P. Goda
Tsunami from asteroid and comet impacts: The vulnerability of Europe.
Science of Tsunami Hazards 16:3-10 (1998)

Levy, D.H.
Comets: Creators and Destroyers..
Touchstone/Simon &Schuster (1998)

Levy, D.H.
Was Chicken Little right?
Parade Magazine, May 10, p 14 (1998)

Mader, C.L.
Asteroid tsunami inundation of Japan.
Science of Tsunami Hazards 16:11-16 (1998)

Marcus, S.J.
What to do about bolts from the blue.
IEEE Spectrum 35:2:34 (December 1998)

Michel, P., C. Froeschle and P. Farinella
Secular dynamics of asteroids in the inner Solar System.
Celestial Mechanics and Dynamical Astronomy 69:133-147 (1998).

Michel, P., P. Farinella and C. Froeschle
Dynamics of Eros.
Astronomical J. 116:2023-2031 (1998).

Mitchell, D.L., R.S. Hudson, S.J. Ostro, and K.D. Rosema
Shape of asteroid 433 Eros from inversion of Goldstone radar doppler spectra.
Icarus 131:4-14 (1998)

Muinonen, K.
Discovery and follow-up simulations for small Earth crossing asteroids.
Planet Space Science 46:291-297 (1998)

Ostro, S.J. et al.
Asteroid 4179 Toutatis: 1996 radar observations.
Icarus 137:122-139 (1998)

Ostro, S.J. and C. Sagan
Cosmic collisions and galactic civilizations.
Astronomy and Geophysics 39:22-24 (1998).

Powell, J.L.
Night Comes to the Cretaceous.
W.H. Freeman, pp250 (1998)

Ryan, E.V. and H.J. Melosh
Impact fragmentation: From the laboratory to asteroids.
Icarus 133:1-24 (1998)

Sitarski, G.
Motion of the minor planet 4179 Toutatis: Can we predict its collision with the Earth?
Acta Astronomica.48:547-561 (1998)

Steel, D.I.
Distributions and moments of asteroid and comet impact speeds upon the Earth and Mars.
Planetary Space Science 46:473-478 (1998).

Sekanina, Z., P.W. Chodas and D.K. Yeomans
Secondary fragmentation of comet Shoemaker-Levy 9
and the ramifications for the progenitor's breakup in July 1992.
Planetary Space Science 46:21-45 (1998)

Scheeres, D.J., S.J. Ostro, R.S. Hudson, S. Suzuki, and E. de Jong
Dynamics of orbits close to asteroid 4179 Toutatis.
Icarus 132:53-79 (1998)

Verschuur, G.L.
Impact hazards: Truth and consequences.
Sky & Telescope 96, June 1998, pp. 27-34

Yabushita, S.
On the transfer of radiation at asteroidal surfaces in relation to their orbit deflection.
Monthly Notices Royal Astronomical Society 296:662-668 (1998)

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