000 00294nam a2200121Ia 4500
008 220201s1999 xx 000 0 eng d
082 _a4.65
_bCOM
100 _aComer, Dougles E.
245 0 _aCommunication network TCP/IP Vol-I
260 _aDelhi
_bPHI
_c1999
300 _a613+I
942 _2ddc
999 _c35905
_d35905