000 00335nam a2200133Ia 4500
008 150511s9999||||xx |||||||||||||| ||und||
082 _a621.382 SIN
082 _b621.382 SIN
100 _a"Singh, R.P"
245 _aCommunication Systems: Analog & Digital
260 _bTata Mc Graw Hill
300 _a621.382 SIN
942 _2ddc
_cBB
999 _c11470
_d11470