00297nam a2200121Ia 4500008004100000041001200041082002000053100001900073245003200092260002000124300000800144650002300152231217s9999    xx            000 0 und d  aEnglish  a001.6404  MUE;2  aMueller, Scott 0aUpgrading and repairing PCs  c1988bMicrotech  a724  aPersonal computers