00906pam a2200265 i 4500 2281991 BD-DhUL 20150115121810.0 791206s1980 nyua b 001 0 eng 79026661 0471029556 : $23.50 (est.) DLC DLC DLC BD-DhUL TK5103 .F68 621.382 FRT Freeman, Roger L. Telecommunication system engineering : analog and digital network design / Roger L. Freeman. New York : Wiley, c1980. xxii, 480 p. : ill. ; 24 cm. "A Wiley-Interscience publication." Includes bibliographical references and index. Telecommunication systems Design and construction. Telephone systems Design and construction. 7 cbc orignew 1 ocip 19 y-gencatlg ddc BK 31536 31536 0 0 ddc 0 621_382000000000000_FRT 0 NFIC 59451 DUSL DUSL GEN 2015-01-15 621.382 FRT A233023 2015-01-15 2015-01-15 BK