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Displaying 1-3 of 3 results for author "O'Keefe, John D."
Planetary cratering mechanics [microform] / John D. O'Keefe and Thomas J. Ahrens.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1992]
- 1992
Impact and explosion crater ejecta, fragment size, and velocity [microform] / John D. O'Keefe and Thomas J. Ahrens.
- Text
- Pasadena, Calif. : Seismological Laboratory, California Institute of Technology ; [Washington, D.C. : National Aeronautics and Space Administration, 1983?]
- 1983
Oblique impact [microform] : a process for providing meteorite samples of other planets / John D. O'Keefe and Thomas J. Ahrens.
- Text
- [Washington, D.C. : United States : National Aeronautics and Space Administration, 1986]
- 1986
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