000 00494pam a2200181a 44500
008 160408b1982 xxu||||| |||| 00| 0 eng d
082 _a621.385
_bB414d
100 _aBellamy, John
245 1 _aDIGITAL TELEPHONY
260 _aNew York
_bJohn Wiley
_c1982
300 _axviii,526
500 _aBibliography : P. 519-521
650 _aDigital Communications
650 _aDigital Modulation
650 _aTelephone Switching Systems Electronic
964 _gCIRC
997 _aA79873 C
999 _c308714
_d308714