Hernández Sánchez-Barba, Mario2013-04-242013-04-2420051134-7627http://hdl.handle.net/10641/800spaAttribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/O'Gorman, Edmundo-Homenajesjournal articleopen access