471. U.S.N.S. Eltanin cruises 28-32, March 1967-March 1968 : preliminary report of volume 22 Ewing, Maurice; Hayes, Dennis E 1972 Reports Oceanography--Oceania
472. Vema 17 data, December 1960-September 1961 Ewing, W. Maurice (William Maurice), 1906-1974; Worzel, John Lamar; Aitken, Thomas D 1972 Reports Marine geophysicsVema (Ship)
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480. Gravity and Magnetic Investigations in the Guiana Basin, Western Equatorial Atlantic Cochran, James R. 1973 Articles Geophysics