000 00281nam a2200109Ia 4500
008 200226s9999 xx 000 0 und d
082 _a005.74 SIN-D
100 _aSINGH, S.K.
245 0 _aDATABASE SYSTEMS: CONCEPTS, DESIGN AND APPLICATIONS
260 _bPEARSON
_c2011
942 _cBK
999 _c5639
_d5639