00254nam a2200097Ia 4500008004100000082001800041100001900059245003800078260002900116300001100145240817s9999    xx            000 0 und d  a001.64 N826,p  aNortor , Peter 0aPeter norter's PC problems solver  c1993a New Yorkb P.H.I.  a610 p.