TY - BOOK AU - Gordon,Robert B. TI - Physics of the earth T2 - Physical science and technology series SN - 0030811953 AV - QE26.2 .G67 U1 - 550 PY - 1972///] CY - New York PB - Holt, Rinehart and Winston KW - Earth sciences KW - Local N1 - 921004; Includes bibliographies ER -