Frayne, John George. Elements of sound recording / [by] John G. Frayne [and] Halley Wolfe. - New York : J. Wiley, 1949 - vii, 686 p. : ill. ; 24 cm. Includes "References." and index Subjects--Topical Terms: Sound--Recording and reproducing. Dewey Class. No.: 621.3893 / FRE 1949