000 00290nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aDavid M Kalman
245 4 _aThe Dbase Language Hand book.
260 _bLondon:Pitman
_c1989
300 _a992p.
650 _aComputer
999 _c3575
_d3575