00401nam a2200169Ia 450000100060000000300090000600500170001500800410003202000180007304000130009108200190010410000220012324500590014526000090020430000110021354600070022414425PK-LaUMT20221013115319.0140402s9999    xx            000 0 und d  a0-7821-2099-7  cPK-LaUMT  a 004.68bTHO-I  aThomas, Robert M.  aIntroduction to local area networkscThomas, Robert M.  c1989  a488 p.  aEN