1. Nilsson, M., Baker, T., Johnston, P.: The Singapore Framework for Dublin Core Application Profiles (2008), http://dublincore.org/documents/singapore-framework/
2. Allinson, J.: Describing Scholarly Works with Dublin Core: A Functional Approach. Library Trends 57, 221–243 (2009)
3. Dublin Core Metadata Initiative (DCMI): Dublin Core Metadata Element Set, http://dublincore.org/documents/dces/
4. IEEE Learning Technology Standards Committee (LTSC): IEEE Draft Standard for Learning Object Metadata (IEEE 1484.12.1) (2002)
5. Nilsson, M.: Harmonization of Metadata Standards. Deliverable of the PROLEARN IST-507310 European Project, http://ariadne.cs.kuleuven.be/lomi/images/5/52/D4.7-prolearn.pdf