000			00273nam a2200097Ia 4500
008			180926s9999 xx 000 0 und d
100			_aCOMER,DOUGLAS.E;
245			_aCOMPUTER NETWORKS AND INTERNETS
500			_aCOMPUTER ; INTERNETS ; NETWORKS
650			_aGeneralities(000)
999			_c323972 _d323972