000 00317nam a2200145Ia 4500
100 _aRitchie, Colin
080 _a001.64 Rit
526 _dTB
526 _aUG
942 _cBK
245 _aPrinciples of database systems and design
260 _aCengage Learning
_bNew Delhi
_c2009
300 _a442
546 _aE
999 _c73692
_d73692