000 00252 a2200097 4500
001 32950
100 _aReeve,W.D
245 _aSubscriber loop signaling and transmission handbook: digital
260 _aNY
_bIIIFEE
_c2002
090 _c22106
_d22106
942 _aNUST-CAE
_cMONOGRAPH
_c13455
999 _c268023
_d268023