Penguin science survey 1961 / ed. by A. Garratt (S.A. Barnett and A. McLaren). - Harmondsworth &c., 1961. - 239 p. ; 18 cm. - Pelican books, S 193, 194 . - S 193, 194 Pelican books, . Subjects--Topical Terms: science Dewey Class. No.: 500 / SCI 1961