000 00330nam a2200145Ia 4500
100 _aComer/Douglas E
650 _aComputers
942 _cBK
654 _anetworks
245 _aComputer networks and internets
260 _bPearson Education
_aMumbai
_c2004
082 _a004.67/COM
_bCOM
300 _a719
546 _aENGLISH
999 _c20489
_d20489