000 00353nam a2200133Ia 45e0
008 180501s2018 xx 000 0 und d
100 _aALAN SIMSON
245 0 _aUNDERSTANDING DBASE IV 1.5 FOR DOS
250 _aIII
260 _bB.P.B
300 _a1001
650 _aCOMP
942 _2ddc
_cBK
999 _c1731
_d1731