000 00327nam a2200133Ia 4500
008 210113s9999 xx 000 0 und d
082 _a004.6 BEH-D
100 _aBehrouz A. Forouzan
245 _aData Communications and Networking
250 _a4th
260 _bMcGrawhill
_aNew Delhi
_c2017
300 _a1134
942 _cBK
999 _c54630
_d54630