== Референци == [1] CCSDS Recommendation for Space Data System Standards: Reference Model for an Open Archival Information System(OAIS), CCSDS 650.0-B-1 Blue Book1-2(2002)[[br]] [2] PANDORA Archive : Preserving and Accessing Networked Documentary Resources of Australia; http://pandora.nla.gov.au/index.html [[br]] [3] Digital Preservation Report, http://www.digitalpreservation.gov/ [[br]] [4] The Library of Congress, http://digitalpreservation.gov/ [[br]] [5] https://cio-wiki.org/wiki/Client_Server_Architecture [[br]] [6] https://www.visual-paradigm.com/guide/uml-unified-modeling-language/uml-class-diagram-tutorial/ [[br]] [7] https://www.lucidchart.com/pages/uml-sequence-diagram/#section_0 [[br]]