000 00315nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aWilliam Stallings
245 _aISDN and Broadband ISDN with frame relay and ATM
260 _bDelhi:Pearson Ed
_c2003
300 _a542p.
650 _aComputer
999 _c1583
_d1583