00669nam a22001817a 4500 BD-DhUL 20150120104406.0 150120s1967 -uka|||| |||| 001 0 eng d BD-DhUL BD-DhUL 23 620.102 CON The electronics division of the institution of electrical engineers Conference on accoustic and its control / The electronics division of the institution of electrical engineers London : The institution of electrical engineers, c1966. 101 p. : ill. ; 29 cm. Includes bibliographical references and index. Accoustic Noise ddc BK 33743 33743 0 0 ddc 0 620_102000000000000_CON 0 NFIC 62929 DUSL DUSL GEN 2015-01-20 620.102 CON A64804 2015-01-20 2015-01-20 BK