000 00257nam a2200109Ia 4500
020 _a8120310411
082 _a004.6
100 _aBLACK, UYLESS
245 _aCOMPUTER NETWORKS PROTOCOLS STAND ARDS AND INTERNET
260 _aNEW DELHI
_b PHI
_c2000
942 _cBK
999 _c2056
_d2056