Κανονική προβολή Προβολή MARC Προβολή ISBD

On the track of discovery : riddles of outer space : scientists untravel mysteries : secrets of history / [translated from the russian by D. Skvirsky and V. Talmi]. - Moscow: Progress Publishers, [1964]. - 190 p. : ill. ; 21 cm.

Dewey Class. No.: 608