1. Lawrence S. Free online availability sudstantiaally increases a paper´s impact. Nature 2001; 411: 521-523.
2. Testa J, McVeigh ME. The impact of Open Access Journals. A citation study from Thomson ISI. Disponible en http://www.isinet.com/media/presenttrep/acropdf/impactoa-journals.pdf
3. Harnad S, Brody T. Comparing the impact of open access (OA) vs non-OA articles in the journals. D-Lib Magazine, Junio 2004. Disponible...
4. Alonso WJ, Fernández-Juricic E. Regional network raises profile of local journals [carta]. Nature, 2002; 415: 471-472.
5. Veiga de Cabo J. Scientific Electronic Library Online y Oncología. Oncología (Barc.) 2004: 27 (9); 13-18. Disponible en: http://wwwscielo.isciii.es/scielo....