000 00253nam a2200097Ia 4500
008 220201s1996 xx 000 0 eng d
100 _aGUPTA (PRAKASH C)
245 0 _aDATA COMMUNICATIONS
260 _bPRENTICE HALL OF INDIA PVT. LTD.
_c1996
942 _2ddc
999 _c96716
_d96716