000 00556nam a22002177a 4500
999 _c6230
_d6230
003 OSt
005 20190816112900.0
008 190816b ||||| |||| 00| 0 eng d
020 _a9780273774211
020 _a0273774212
040 _cddc
082 _a006.3 COU 2013
100 _aCouch, Leon W.
_912820
245 _aDigital and Analog Communication Systems
250 _a8th ed.
260 _aBoston;
_bPearson,
_c2013
300 _a784p;
_bill:
_c23.5cm
650 _aDigital systems
_95645
650 _aAnalog system
_912821
942 _2ddc
_cSLOAN