000 00262nam a2200109Ia 4500
008 200527s9999||||xx |||||||||||||| ||und||
082 _a005.756 5 SIM
100 _aSimpson, Alan
245 0 _aUnderstanding Dbase IV
264 _bBPB Pubslication
300 _a880p.
999 _c15902
_d15902