000 00252nam a2200109Ia 4500
008 220201s1997 xx 000 0 eng d
100 _aKORTH, K.F.
245 0 _aDATEBASE SYSTEM CONCEPTS
260 _bMC-GROW HILL
_c1997
300 _a821
942 _2ddc
999 _c68191
_d68191