00287nam a2200121Ia 4500008004100000100001700041245003300058260002100091300001000112650002100122942000700143999001500150190216s9999||||xx |||||||||||||| ||und||  aAlan Simpson 0aUnderstanding Dbase Iii Plus  bBpb Publications  a414 p  aComputer Science  cBK  c8518d8518