00375nam a2200145Ia 45000010005000000080041000050200018000460400013000640820019000771000016000962450062001122600037001743000011002115460007002226391140320s9999    xx            000 0 und d  a0-201-52878-9  cPK-LaUMT  a 005.72bDAT-D  aDate, C. J. 3aAn introduction to database systems : Vol. 1cDate, C. J.  aSydney:bAddision-Wesley,c1990.  a854 p.  aEN