Applied acoustics, by Harry F. Olson ... and Frank Massa ... Olson, Harry F. (Harry Ferdinand), 1901-1982. Massa, Frank, 1906-1990, joint author. Acoustical engineering. TA365 .O513 1939 534 CLA Philadelphia, P. Blakiston's sons & co., inc. [c1939] [c1939] 1939 Text xviii, 494 p. eng