000 00405nam a22001577a 4500
005 20220518105054.0
008 100129t xxu||||| |||| 00| 0 eng d
082 _a621.382
_bCOU
100 _aCOUCH,LEON.W
_96394
245 _aDIGITAL AND ANALOG COMMUNICATION SYSTEMS
250 _a6th ed.
300 _a752p.
942 _cBB
260 _aNEW DELHI
_bPEARSON EDUCATION
_c2001
_96395
020 _a8131707377
999 _c189776
_d189776