00905cam a22002894a 4500 36614 AR-SsjUBGM 20251206161946.0 250720s1938 xxu 000 0 eng d AR-SsjUBGM AR-SsjUBGM eng xxu 551.462 Symposium arranged by The American Geophisycal Union (november 26, 1937 : Philadelphia) 40335 Geophysical exploration of the ocean bottom. Philadelphia : The American Philosophical Society, 1938. 144 p. : il. ; 25 cm Física del globo Fondo marino Geofísica Método geofísico Exploración geofísica Actaconf 32048 American Philosophical Society 40337 LB cdu idgym 2004-10-01 36614 36614 0 0 cdu 0 0 GM GM 2025-12-06 Compra 02874 0 551.462 GEO GM02874 2025-12-06 00:00:00 2025-12-06 LB