1. Ribeiro, L.M., David, Gabriel, Azevedo, Ana, Santos, dos Marques, J.C.: Developing an information system at the Engineering Faculty of Porto University. FEUP, Porto (1997),
http://repositorio.up.pt/aberto/handle/10216/606
2. Smith, M., Bass, M., McClellan, G., Tansley, R., Barton, M., Branschofsky, M., Stuve, D., Walker, J.H.: DSpace: An Open Source Dynamic Digital Repository. D-Lib Magazine 9(1) (2003)
3. Lecture Notes in Computer Science;G. Pyrounakis,2004
4. Wise, M., Spiro, L., Henry, G., Byrd, S.: Expanding roles for the institutional repository. OCLC Systems & Services 23(2), 216–223 (2007)
5. Permanent UNIMARC Committee. UNIMARC/Dublin Core Mapping,
http://www.unimarc.net/dubin-core-map.html