Նորմալ դիտում MARC դիտում ISBD Դիտում

Earle, Sylvia A., 1935-

Exploring the deep frontier : The adventure of man in the sea / By Sylvia A. Earle and Al Giddings ; Prepared by the Special Publications Division, National Geographic Society, Washington, D.C. - [Washington, D.C.] : The Society, 1980. - 296 p. : ill. ; 32 cm. - 910/.09162 .

Includes index.

Bibliography: p. 285.

ISBN: 0870443437

Subjects--Topical Terms:
Underwater exploration.
Deep diving.

Dewey Class. No.: 910/.09162