Abetti, Giorgio. The exploration of the universe / Giorgio Abetti ; translated by V. Barocas. - London : Faber and Faber, c 1968. - 278 p. : ill. ; 23 cm. Includes index. 337 337 ISBN: 571 08688 8 Subjects--Topical Terms: Space sciences.Outer space--Exploration. Dewey Class. No.: 523.1 / A39e