Morse, Philip M. 1903-1985. Vibration and sound / Philip M. Morse - 2d ed. - New York : McGraw-Hill Book Co., c1948. - xix, 468 p. diagrs. 21 cm. Bibliography: p. 433. and index. Subjects--Topical Terms: Vibration.Sound. Dewey Class. No.: 534 / MOV 1948