000 00444nam a2200193Ia 4500
008 221105s9999 xx 000 0 und d
020 _a9788120327122
041 _aENGLISH
082 _a621.382 NII
082 _bNII
100 _aNIIT
245 0 _aADVANCED DIGITAL COMMUNICATION SYSTEMS
250 _a-
260 _bPHI LEARNING PRIVATE LIMITED.
260 _c2011
300 _a563 p.
650 _aCOMMUNICATIONS
942 _cBK
999 _c31218
_d31218