Valera, Roberto. “The Geochemical Behavior of Lead and Zinc in Two Mesozoic Sedimentary Sequences of Monte La Nave and Orgosolo”. Geologija 15, no. 1 (December 31, 1972): 371–381. Accessed August 10, 2025. https://www.geologija-revija.si/index.php/geologija/article/view/1619.