00765nam a2200217u 4500 6909605 BD-DhUL 20150115170628.0 820218s1939 at abc 100 0 eng 40009784 DLC CarP DLC BD-DhUL TK6540 .W65 1938 621.38406 AUC Institution of radio engineers (Australia). Complete proceedings of the World radio conventionm : held at Sydney, N.S.W., April 4th-14th, 1938 / Institution of Radio Engineer (Australia). Sydney : Institution of radio engineers, 1939. 556 p. : ills. diagrs. ; 29 cm. Radio Congresses. 0 cbc premunv u ncip 19 y-gencatlg ddc BK 31847 31847 0 0 ddc 0 621_384060000000000_AUC 0 NFIC 59958 DUSL DUSL GEN 2015-01-15 purchased 621.38406 AUC 61101 2015-01-15 2015-01-15 BK