000 00247nam a2200121Ia 4500
020 _a8120322320
082 _a005.74 KRO
100 _aKROENKE, DAVID M.
245 _aDATABASE CONCEPTS
260 _bPHI
_c2003
300 _a219
942 _2ddc
_cBB
999 _c75510
_d75510