Author: Arnold, W. (editor).:
Title: Eroberung der Tiefe. 6., verbesserte Auflage.
Description: Leipzig: Deutscher Verlag für Grundstoffindustrie, 1982. 4to. Pp. 203, 5 fold. pls., 280 (partly col.) text illus. Orig. cloth in dust-jacket. - Contains 18 papers on the historical development of investigation techniques and the application of their results.

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