1. Berlin Declaration (2003) Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities. Available: http://oa.mpg.de/openaccess-berlin/berlindeclaration.html. Accessed 27 October 2009.
2. Organisation for Economic Co-operation and Development (OECD) (2007) Principles and Guidelines for Access to Research Data from Public Funding. Paris. Available: http://www.oecd.org/dataoecd/9/61/38500813.pdf. Accessed 16 May 2013.
3. The Royal Society (2012) Science as an open enterprise. The Royal Society Science Policy Centre report 02/12. Available: http://royalsociety.org/uploadedFiles/Royal_Society_Content/policy/projects/sape/2012-06-20-SAOE.pdf. Accessed 16 May 2013.
4. European Commission (2012) Commission Recommendation on access to and preservation of scientific information. C(2012) 4890 final. Available: http://ec.europa.eu/research/science-society/document_library/pdf_06/recommendation-access-and-preservation-scientific-information_en.pdf. Accessed 16 May 2013.
5. Office of Science and Technology Policy (2013) Increasing Access to the Results of Federally Funded Scientific Research. Available: http://www.whitehouse.gov/sites/default/files/microsites/ostp/ostp_public_access_memo_2013.pdf. Accessed 16 May 2013.