00281nam a2200109Ia 4500008004100000041000800041082001600049245004900065250000600114260004300120300000800163210716s1988    xx            000 0 und d  aeng  a005.45 MICR  aMicrosoft ms dos: users guide.bUsers guide.  a1  aNew DelhibMicrosoft corporationc1988  a430