778 Aca M Academy of Motion Picture Arts and Sciences Motion picture sound engineering; a series of lectures presented to the classes enrolled in the courses in sound enginnering given by the Research Council of the Academy of Motion Picture Arts and Sciences. New York, D. Van Nostrand, 1938. xvii, 547 p. ilus diagrs. 24 cm. <a id= "rdfa" about="http://bnjm.sld.cu/cgi-bin/item.py?idficha=bcuhcgrlyfof0010435" property = "oa:link" href="http://www.worldcat.org/oclc/409109 ">WorldCat</a>