00320nam a2200121Ia 4500008004100000041001200041082001800053100001700071245006500088260002700153300000800180650001000188231217s9999    xx            000 0 und d  aEnglish  a001.6424  WIL  aWilliams, Al 0aDos 5: A developer's guide advanced programming guide to DOS  c1993bNew Delhi : BPB,  a911  aDos 5