TY - BOOK AU - Christiansen,Eric H. AU - Hamblin,W.Kenneth TI - Exploring the planets SN - 0023224215 AV - QB603.G46 H36 1995 U1 - 559.92 20 PY - 1995/// CY - Englewood Cliffs PB - Prentice Hall KW - Planets KW - Geology KW - Astrogeology N1 - Hamblin named first on previous ed; Includes bibliographical references and index ER -