00390nam a2200157 a 450000500170000002000150001708200170003210000240004924500430007326000300011630000210014649000170016763000210018463000160020563000110022120251203092026.0  a818601151X  a005.432bBAU  aBaumgart, Katharina  aWindows 3.1bThe trainer for beginners  aNew DelhibGalgotiac1993  a216p.b18 cm.c_  aTewi-trainer  aComputer Science  aWindows 3.1  aManual