000 00292nam a2200109Ia 4500
008 231004s9999 xx 000 0 und d
020 _a0-0712-3241-9
090 _a004.6 FOR
100 0 _aBehrouz A. Forouzan
245 0 0 _aData communications and networking
260 _aMc Graw Hill
_bBoston
_c2004
999 _c2103
_d2103