000 00271nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _arajesh kapur
245 _acomputer viruses
260 _bDelhi:BPB
_c1994
300 _a331p.
650 _aComputer
999 _c2257
_d2257