Efron, Alexander, 1897- Sound. - New York, J. F. Rider [1957] - 72 p. illus. 22 cm. - Basic science series . Introduction to sound // Hearing, speech and music // Wave nature of sound // LCCN: 57012338 Subjects--Topical Terms: Sound. LC Class. No.: QC225 / .E35 Dewey Class. No.: 534 EFR