00249nam a2200109Ia 4500008004100000041000800041100002400049245002300073250001000096260002500106300000800131211209s2006    xx            000 0 und d  aeng  aTANENBAUM, ANDREW S  aCOMPUTER NETWORKS   a4 ed.  aNEW DELHIbPHIc2006  a891