00351nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001400084245004600098250000800144260002900152300000800181650001600189221030s9999    xx            000 0 und d  a8170294851  aEnglish  a105.23bDun  aR. Duncan 0aAdvanced MS DOS Programmingcby R. Duncan  a2nd  bBPB PubaNew Delhic2002  a669  aBE Computer