00336nam a2200133Ia 4500008004100000020001500041041000800056082001700064100001900081245004900100260003500149300000900184650000900193210716s1987    xx            000 0 und d  a9813091843  aeng  a005.134 SIMA  aSimpson, Alan.  aDbase III plus: programmers reference guide.  aU S AbTech Publicationsc1987  a1029  aNone