00354nam a2200145Ia 4500008004100000020001400041041000800055082001700063100001900080245004200099250000600141260003900147300001300186650000900199210716s1991    xx            000 0 und d  a156276012  aeng  a005.302 COBS  aCobb, Stephen.  aPC magazine guide to 123 release 2.3.  a1  aCaliforniabZiff Davis Pressc1991  axxiv,640  aNone