Velarde Fuertes, Juan2013-02-142013-02-1420091134-7627http://hdl.handle.net/10641/552spaAttribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/Fernández Campo, Sabino-Biografíasjournal articleopen access