1. Changes in the value chain of scientific information: economic consequences for academic institutions
2. Press Release of Elsevier Science and Koninklijke Bibliotheek. “National Library of the Netherlands and Elsevier Science Make Digital Preservation History. Permanent Digital Archive Assures Perpetual Accessibility of Scientific Heritage.” Glasgow, (2002). See url http://www.kb.nl/kb/sbo/dd/dd_links_en_publicaties/publicaties/eskb-pressrelease7_20aug02_def.pdf.
3. Developing the Depository of Netherlands Electronic Publications
4. Johan Steenbakkers, “Setting up a Deposit System for Electronic Publications. The NEDLIB Guidelines.”NEDLIB Report Series5, 2000. See one of the next urls http://www.kb.nl/kb/sbo/dd/dd_projecten/nedlib_publicaties.html, http://www.kb.nl/coop/nedlib/.
5. “Strategies for Preserving Digital Materials” inGuidelines for the Preservation of Digital Heritage, prepared by the National Library of Australia (Information Society Division, United Nations Educational, Scientific and Cultural Organization, 2003) 37. http://portal.unesco.org/ci/ev.php?URL_ID=8967&URL_DO=DO_TOPIC&URL_SECTION.