1. Aguillo, I. F. (2009). Measuring the institutions’ footprint in the web. Library Hi Tech, 27(4), 540–556.
2. Aguillo, I. F. (2011). Building web indicators for the EU OA repository. Workshop on new research lines in informetrics (España).
3. Aguillo, I. F., & Granadino, B. (2006). Indicadores web para medir la presencia de las universidades en la Red. RUSC: Revista de universidad y sociedad del conocimiento, 3(1), 68–75.
4. Aguillo, I. F., Ortega, J. L., Fernandez, M., & Utrilla, A. M. (2010). Indicators for a webometric ranking of open Access repositories. Scientometrics, 82(3), 477–486.
5. Archambault, E., Amyot, D., Deschamps, P., Nicol, A., Rebout, L. & Roberge, G. (2013). Proportion of open access peer-reviewed papers at the european and world. Science-Metrix [Technical report]. http://www.science-metrix.com/pdf/SM_EC_OA_Availability_2004-2011.pdf Accessed 15 March 2014.