000 00277nam a2200133Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS Hill
245 _aOffice 97
250 _a1st
260 _bDelhi:BPB
_c1997
300 _a158p.
650 _aComputer
999 _c231
_d231