000 00226nam a2200097Ia 4500
008 170501s9999 xx 000 0 und d
100 _a"Gupta, P.C."
245 _aData Comm.& Com puter N/W
250 _a-
260 _bPHI
_aNew Delhi
_c2006
300 _a800
999 _c17005
_d17005