1996 - Impact Cratering a Geologic Process [Oxford Monographs on Geology and Geophysics] (Hardcover) ISBN-13: 9780195104639 ISBN-10: 0195104633 Genres: Science & Math, Engineering & Transportation ? 1988 - Impact Cratering a Geologic Process [Oxford Monographs on Geology and Geophysics, No 11] (Hardcover) ISBN-13: 9780195042849 ISBN-10: 0195042840 Genres: Science & Math, Engineering & Transportation ? |