00350nam a2200145Ia 4500008004100000020001500041041000800056082001800064100001800082245002700100250000600127260003900133300001200172650002000184210716s1987    xx            000 0 und d  a9971848767  aeng  a005.3001 HARG  aHarvey, Greg.  aMastering supercalc 4.  a1  aSingaporebTech Publicationsc1987  axix,311  aPrograms(005.3)