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http://www.kdk.fi/en/
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http://www.arjentietoyhteiskunta.fi/files/73/Esite_englanniksi.pdf
3. Athanasopoulos, G., Candela, L., Castelli, D., Innocenti, P., Ioannidis, Y., Katifori, A., Nika, A., Vullo, G., Ross, S.: The Digital Library Reference Model Ver 1.0, DL.org: Coordination Action on Digital Library Interoperability, Best Practices and Modelling Foundations - Project Number: 231551, 20 (2010)
4. IEEE Standard Computer Dictionary: A Compilation of IEEE Standard Computer Glossaries. Institute of Electrical and Electronics Engineers, New York (1990)
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