E. Herrera Fernández, D. Rodríguez Valero, L. Fernández Iñurritegui, and M. Pérez Mena, “The graphic language of Eduardo Chillida as a conceptual contribution to the typographic identity of the University of the Basque Country, UPV/EHU”, bartes, no. 11, pp. 181–196, Apr. 2011, Accessed: Nov. 11, 2026. Available: https://www.ull.es/revistas/index.php/artes/article/view/5295