00288nam a2200121Ia 4500008004100000020001800041041000800059082001900067100001800086245002900104260002500133300000800158211209s2000    xx            000 0 und d  a81-203-1642-8  aeng  a004.6 O 00 HAB  aHABRAKEN, JOE  aPRACTICAL CISCO ROUTERS   aNEW DELHIbPHIc2000  a379