Velázquez Saornil, Javier and Grande Vega, María and Hernando Gallego, Ana (2008). Proposals and performances for restoration and conservation of Cantabrian capercaille (Tetrao urugallus cantabricus, Castroviejo 1967) habitat and populations.. In: "6th European Conference on Ecological Restoration. Towards a sustainable future for European ecosystems: Providing restoration guidelines for Natura 2000 habitats and species.", 08/09/2008-12/09/2008, Ghent (Bélgica).. ISBN 9789080915992.