000 00290nam a2200121Ia 4500
008 211214s9999 xx 000 0 und d
100 _aBehrouz A. Forouzan
245 _aData Communication and Networking
260 _bMcGraw Hill
500 _a76294
650 _aE&TC/VII
942 _cBB
999 _c177614
_d177614