000 00267nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aBehrouz A Forouzan
245 0 _aData communication & networking
250 _a2nd
260 _aNew Delhi
_bTMH
_c2001
942 _cBK
999 _c10919
_d10919