000 00286nam a2200121Ia 4500
008 200701s1998 xx 000 0 eng d
100 _aBLACK
245 0 _aDATA COMMUNICATIONS AND DISTRIBUTED NETWORK
250 _a3rd
260 _bPHI NEW DELHI
_c1998
300 _a426
942 _2ddc
_cGE
999 _c292
_d292