Richardson, E. G. 1896-1960. Sound : a physical text-book / by E.G. Richardson ... - New York : London : Longmans, Green & Co. ; E. Arnold & Co., 1953, [reprinted 1961] - vii, 286 p. : ill. ; 22 cm. Printed in Great Britain. Includes bibliographical footnotes and index. Subjects--Topical Terms: Sound. Dewey Class. No.: 534 / RIS 1961