00328nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245004000101260002900141300000800170650001600178221030s9999    xx            000 0 und d  a8170293103  aEnglish  a105.23bStu  aR. A. Stultz 0aLearn DOS in a Daycby R. A. Stultz  bBPB PubaNew Delhic1994  a170  aBE Computer