Newsom, Horton E. The formation of the Ries crater, West Germany; evidence of atmospheric interactions during a larger cratering event - Boulder, CO Geological Society of America 1990 - pp. 195-206 ilus., tbl. - Special Paper. Geological Society of America n.247 . Subjects--Topical Terms: CRATER METEORITICOESTRUCTURAS DE IMPACTOSUEVITA Subjects--Geographic Terms: ALEMANIA Universal Decimal Class. No.: 56.017.4/S47|53