000 00288nam a2200121Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a001.6
100 _aKORTH HENRY F
245 0 _aDATABASE SYSTEMS AND CONCEPTS
250 _a2
260 _bMGH INC
_c1991
_aNEW DELHI
300 _a694
999 _c25832
_d25832