1. Almodóvar, A. and Quirós, M. (1994) Population dynamics, density and biomass of brown trout (Salmo trutta L.) in relation to stream habitat and angling pressure in central Spain. In: Abstracts of the VIII Congress Societatis Europaea Ichthyologorum, Oviedo.
2. Blanco, J.C. and González, J.L. (1992) Libro Rojo de los Vertebrados de España. Colección Técnica, ICONA, Madrid.
3. Colección Técnica;I Doadrio,1991
4. Elvira, B., Doadrio, I., Lobón-Cerviá, J. and Sostoa, A. de (1988) Red list of the freshwater fishes of Spain. In: Abstracts of the Vlth Congress of European Ichthyologists, Budapest.
5. Elvira, B. (1990) Iberian endemic freshwater fishes and their conservation status in Spain. J. Fish Biol. 37 (Suppl. A): 231–232.