000 00273nam a2200121Ia 4500
008 220201s1996 xx 000 0 eng d
082 _a621.382
_bGUP
100 _aGupta, P.C.
245 0 _adata communication
260 _aDelhi
_bPHI
_c1996
300 _a475
942 _2ddc
999 _c35119
_d35119