000 00232nam a2200109Ia 4500
082 _a005.74 ULL
100 _aULLMAN, J.D.
245 _aPRINCIPLES OF DATABASE SYSTEMS
260 _bGALGOTIA
_c2001
300 _a484
942 _2ddc
_cB
999 _c56825
_d56825