3National Archives of Australia.Digital Preservation: illuminating the past, guiding the future[]..2006
4C M Lewis,J M Hammer.Significance testing of rules in rule-based models of human problem solving[].IEEE Transactions on Systems Man and Cybernetics.1986
3Bob Boike.Content Management Bible.New York, Wiley Publishing, Inc., 2002.P82.
4CCSDS:Consuhative Committee for Space Data Systems, "Reference Model for an Open Archival Information System" ,http.//www.ccsds.org/documents/650xOb1.pdf.
