[1] Albers V.M., The world of sound 1970 Barnes New York
[2] Jay F., IEEE standard dictionary of electrical and electronics terms 2nd ed. 1977 The Institute of Electrical and Electronics Engineers New York
[3] Keast D.N., Measurement in mechanical dynamics 1967 McGraw-Hill New York
[4] Read O., The recording and reproduction of sound 1952 Howard W. Sams Indianapolis, IN
[5] Research Council of the Academy of Motion Picture Arts and SciencesMotion picture sound engineering 1938 Van Nostrand New York