Backus, John. The acoustical foundations of music. - [1st ed.] - New York, W. W. Norton [1969] - xiv, 368 p. illus. 25 cm. Bibliography: p. [294]-304. ISBN: 0393098346 Source: 7.95 LCCN: 68054957 /MN/r85 Subjects--Topical Terms: Music--Acoustics and physics. LC Class. No.: ML 3805 / .B245 A3