KOFOED, OTTO GEOSOUNDING PRINCIPLES 1 - 0 - AMSTERDAM-U.S.A. ELSEVIER SCIENTIFIC PUBLI 1979 - 276 pag 25 cm - 0 0 . FIELD PROCEDURE-METHOD OF MEASURING ISBN: 0-444-41690-0 Subjects--Topical Terms: CIENCIAS PURAS Dewey Class. No.: 550 / K53