1Brian F.Lavoie.The Open Archival Information System Reference Model:Introductory Guide.http://www.oclc.org/research/staff/lavoie.htm
2The OCLC/RLG Working Group on Preservation Metadata.Preservation Metadata and The OAIS Information Model.http://www.oclc.org/research/pmwg/
3Consultative Committee for Space Data System(2002)Reference Model for an Open Archival Information System(OAIS) CCSDS 650.0-R-1-Bluebook.www.ccsds.org/documents/650x0b1.pdf
