Pereira, P., and A. Gonçalves. “Vestiges of the Quaternary Glaciation in Cabreira Montain (North-West Portugal)”. Estudos do Quaternário Quaternary Studies, no. 4 (December 26, 2001): 61-68. Accessed October 14, 2026. http://apeq.pt/estudosdoquaternario/index.php/eq/article/view/41.