Gamow, George The atom and its nucleus. - [Englewood Cliffs, N.J.] Prentice-Hall [1961] - 153 p. illus. 21 cm. - A Spectrum book, S-St-1 . 920616 LCCN: 61006360 /L Subjects--Topical Terms: MatterNuclear physicsAtoms LC Class. No.: QC171 / .G29 Dewey Class. No.: 539