Sánchez Vigil, J. M., B. Fernández Fuentes, and J. C. Marcos Recio. “The Necessity of a Spanish National Photographic Documentation Centre”. Scire: Knowledge Representation and Organization (ISSNe 2340-7042; ISSN 1135-3716), vol. 11, no. 1, June 2005, pp. 159-73, doi:10.54886/scire.v11i1.1515.