000 00289nam a2200121Ia 4500
008 160710s1995 xx 000 0 und d
082 _a384.34 HER
100 _aHERTZOFF,I.
245 _aAT AND T GLOBAL MESSAGING
260 _bMC GRAWE HILL UNC.
_c1995
300 _a406
942 _2ddc
_cB
999 _c54523
_d54523