000 00276nam a2200121Ia 4500
008 220601s2002 xx 000 0 eng d
100 _aNORTON, PETER.
245 0 _aD O S 6.22
250 _a6th Ed.
260 _c2002
_aNew Delhi
_bTECHM
300 _a1150
942 _2ddc
_cBTECH
_01
999 _c933
_d933