00621    a2200205   4500020001800000020001800018040003300036082001100069082001100080100002600091245008600117260003500203300003300238650002100271650002500292650002100317650002800338650002100366650002800387  a0-02-946194-4  a0-02-946194-4  aLibrary of CongressbEnglish  a005.74  a005.741 aRicardo, Catherine M.10aDatabase systems : principles, design, and implementation cCatherine M. Ricardo.  aNew York :bMacmillan,cc1990.  axv, 576 p. :bill. ;c24 cm. 0aData base design 0aData base management 0aDatabashantering 0aDatabashanteringssystem 0aDatabashantering 0aDatabashanteringssystem