000 00283nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.39
100 _aNIIT
245 0 _aINTRODUCTION TO DIGITAL COMMUNICATION SYSTEMS
260 _bP.H.I
365 _b225.00
942 _cBTECH
999 _c135970
_d135970