000 00239nam a2200109Ia 4500
020 _a8178080869
082 _a004.6
100 _aCOMER, DOUGLAS.E
245 _aCOMPUTER NETWORKS AND INTERNET
260 _aNEW DELHI
_b AWC
_c1998
942 _cBK
999 _c2392
_d2392