Pérez, Jesús M.; Granados, José E.; Soriguer, Ramón C.; Fandos, Paulino; Márquez, Francisco J.; Crampe, Jean P. (30 April 2002). "Distribution, status and conservation problems of the Spanish Ibex, Capra pyrenaica (Mammalia: Artiodactyla)". Mammal Review. 32 (1): 26–39. doi:10.1046/j.1365-2907.2002.00097.x. hdl:10261/62905.
Piña-Aguilar, Raul Eduardo; López-Saucedo, Janet; Sheffield, Richard; Ruiz-Galaz, Lilia Ivone; Barroso-Padilla, Jose de Jesús; Gutiérrez-Gutiérrez, Antonio (14 September 2009). "Revival of extinct species using nuclear transfer: hope for the mammoth, true for the Pyrenean ibex, but is it time for 'conservation cloning'?". Cellular Reprogramming. 11 (3): 341–346. doi:10.1089/clo.2009.0026. PMID19594389.
Martínez Martínez, Teodora (2002). Estrategia alimentaria de la cabra montés (Capra pyrenaica) y sus relaciones tróficas con los ungulados silvestres y domésticos en S.ª Nevada, S.ª de Gredos y S.ª de Cazorla (Thesis) (in Spanish). Complutense University of Madrid. hdl:20.500.14352/63062.
Pérez, Jesús M.; Granados, José E.; Soriguer, Ramón C.; Fandos, Paulino; Márquez, Francisco J.; Crampe, Jean P. (30 April 2002). "Distribution, status and conservation problems of the Spanish Ibex, Capra pyrenaica (Mammalia: Artiodactyla)". Mammal Review. 32 (1): 26–39. doi:10.1046/j.1365-2907.2002.00097.x. hdl:10261/62905.
Piña-Aguilar, Raul Eduardo; López-Saucedo, Janet; Sheffield, Richard; Ruiz-Galaz, Lilia Ivone; Barroso-Padilla, Jose de Jesús; Gutiérrez-Gutiérrez, Antonio (14 September 2009). "Revival of extinct species using nuclear transfer: hope for the mammoth, true for the Pyrenean ibex, but is it time for 'conservation cloning'?". Cellular Reprogramming. 11 (3): 341–346. doi:10.1089/clo.2009.0026. PMID19594389.