SOMPEL, Herbert Van de; LAGOZE, Carl. The Santa Fe Convention of the Open Archives Initiative [en línea] 2000. <http://www.dlib.org/dlib/february00/vandesompel-oai/02vandesompel-oai.html> [Consulta: 6 de Mayo de 2002] DE ROBBIO, Antonella. “Con DoIS l’informazione professionale è in linea “ a Biblioteche Oggi XIX, 9 (2001). págs. 20-22. KRICHEL, Thomas. Guildford protocol [en línea] 1997. <http://ideas.uqam.ca/ideas/data/Papers/rpcrdfdocGuildP.html> [ Consulta: 8 de Mayo de 2002]