Նորմալ դիտում MARC դիտում ISBD Դիտում

Those inventive Americans / Produced by the National Geographic Special Publications Division ; Editor-in-chief: Melville Bell Grosvenor ; Foreword by Leonard Carmichael. - Washington : National Geographic Society, 1971. - 231 p. ill.,(part col.), ports. (part col.) ; 27 cm. - National geographic special publications .

ISBN: 0870440896

Subjects--Topical Terms:
Inventors--United States.