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020 _a81-7808-328-0
022 _a
040 _aAdlib
082 _a621.391
245 _aDigital and analog communication systems
250 _a6th ed
260 _aNew Delhi
_bPearson Education Asia
_c2001
300 _axxv,758p.
_c
500 _a
100 _aCouch, Leon W.
_e
700 _a
_a
942 _cBK
653 _aDigital communication system
_aWireless communication system
_acommunication systems
_aCommunication system
_aSignalling principles - Communication
_aModulated systems - Communication
_aNoise - Communication system
952 _w2010-06-16
_p00048746
_r2011-04-11
_40
_00
_bUL
_10
_o621.391 COU
_d2010-06-16
_70
_yBK
_s2011-02-25
_l2
_aUL
999 _c44648
_d44647