Cruz, Pablo, Alfonso Fernández, and José A. Reque. “Forest Typology Proposal for the Quercus Pyrenaica in the Bierzo Region, Northwest Spain, Using Multivariance Analysis”. Bosque 30, no. 3 (December 31, 2009): 180–191. Accessed April 11, 2026. http://revistas.uach.cl/index.php/bosque/article/view/5827.