000 00299nam a2200121Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
020 _a0-07-228363-7
100 _aSudarshan, S.
_97277
245 _aDatabase system concepts
250 _aFourth
250 _b2002. xxiv-1064
260 _bMcGraw. Boston
999 _c7165
_d7165