000			00364cam a22001337a 4500
008			180718b1981 xxu||||| |||| 00| 0 eng d
082			_aI5371 D262/81
100			_aDate, C.J.
245			_aIntroduction to database systems _cby C.J. Date
250			_a3rd ed.
260			_aReading, Mass. _bAddison-Wesley _c1981
300			_a584p.
650			_aDatabase management
999			_c343620 _d343620