000 00280nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aBehrouz A Forouzan
245 0 _aData Communication & Networking
250 _a2nd
260 _aN.D.
_bTata Mcgraw Hill
_c2010
942 _cBK
999 _c13780
_d13780