000 00257nam a2200109Ia 4500
008 220201s1999 xx 000 0 eng d
100 _aSTALLINSS, W.
245 0 _aDATA & COMPUTER COMMUNICATION
260 _aDELHI
_bPHI
_c1999
300 _a798
942 _2ddc
999 _c67874
_d67874