00307nam a2200121Ia 4500008004100000082001600041100001400057245005000071250001200121260003300133300001000166650000900176060110s9999    xx            000 0 und d  a5.74bDAT/I  aDATE, C J 3aAn introduction to database systemscC J Date  a7th ed.  bPearson Education Asiac2000  a938p.  a5.74