000			00268nam a22000857a 4500
008			210522b |||||||| |||| 00| 0 eng d
050			_aTK5105.5 .C66 2004
245			_aComputer networks and internets _cCOMER, DOUGLAS E.
942			_2lcc _hTK5105.5 .C66 2004
999			_c5100 _d5100