000 00617nac a22001691u 4500
020 _a 0130812234
082 _a621.382
_bC853
090 _c130
_d130
100 _aCouch, Leon II
245 _aDigital and analog communication systems/
_cLeon W. Couch II
250 _a6th ed.
260 _aNew Jersey
_bPrentice Hall
_c2001
650 _aTelecommunication systems
650 _aDigital communications
942 _cBB
_k621.382 C853
999 _c130
_d130