00614nam a22002057a 4500 BD-DhUL 20150118083846.0 150118s1973 -uka|||| |||| 001 0 eng d 0046210180 BD-DhUL BD-DhUL 23 621.3192 HIT Hills, M T Telecommunication systems design / Vol. 1 Transmission systems / London : G. Allen & Unwin, c1973. 271 p. : ill. ; 24 cm. Includes bibliographical references and index. Tele communication Systems. Evans, B G ddc BK 32403 32403 0 0 ddc 1 621_319200000000000_HIT 0 NFIC 60985 DUSL DUSL GEN 1983-11-03 621.3192 HIT A253736 2015-01-18 2015-01-18 BK