000 00393nam a2200145Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
020 _a81-7808-328-0
082 _a621.382 COU
100 _aCouch, Leon, W
245 0 _aDigital and analog communication systems
250 _a6th
260 _aPearson education asia
_bDelhi
_c2001
300 _b350
650 _aCOMMUNICATION SYSTEM
999 _c168042
_d168042