00473nam 2229934 450000100060000000300230000600500090002900800410003808200110007907200160009002000170010610000100012326000280013325000060016124500450016765000160021265000350022865000180026329934StarLibrary Marc Built20180430201711 ||||| |||||||||||amh  a005.74 adata models a817029-451-7 auanda bBPB PUBLICATIONS c1993 a2 aRELATION DATABASE bTHEORY AND PRACTICE adata models ainformation and storage basice apreliminaries