000 00279nam a2200121Ia 4500
008 160710s1997 xx 000 0 und d
082 _a621.382 BUR
100 _aBURD
245 _aTHE ISDN SUBSCRIBE LOOP
260 _bCHAPMAN AND HALL
_c1997
300 _a475
942 _2ddc
_cB
999 _c54998
_d54998