Elements of sound recording [by] John G. Frayne [and] Halley Wolfe. Frayne, John George. Wolfe, Halley, joint author. Sound Recording and reproducing. TK5981 .F7 534 FRE "Outgrowth of a group of courses given by the authors at the University of California at Los Angeles in connection with the Government's war training program." Includes "References." New York, J. Wiley [1949] [1949] 1949 Text vii, 686 p. eng