00306nam a2200109Ia 4500008004100000022001700041040002500058082001500083100002900098245004400127260002500171240215s9999    xx            000 0 und d  a0-21-26354-5  aNORSU-DumcNORSU-Dum  a004.36/c83  aGeorge Coulouris et. al. 0aDistributed systems concepts and design  bAddison wesleyc2005