Նորմալ դիտում MARC դիտում ISBD Դիտում

Unlocking secrets of the unknown with National Geographic / prepared by the Book Division, National Geographic Society. - Washington, D.C. : The Society, c1993. - 200 p. : ill. (some col.) ; 27 cm. - 910/.9 .

Includes index.

Subjects--Corporate Names:
National Geographic Society (U.S.)

Subjects--Topical Terms:
Geography--Research.

Dewey Class. No.: 910/.9