000 00283nam a2200121Ia 4500
008 220201s1997 xx 000 0 eng d
082 _a621.38195
_bSHE
100 _aSheldon, Jhon
245 0 _aWindow 3.1
260 _aDelhi
_bTata Mc graw Hill
_c1997
300 _a502
942 _2ddc
999 _c28940
_d28940