Brusca, C. idr. (1972) „The deposits of argentiferous galena within the Bellerophon formation (Upper Permian) of the southern Alps“, Geologija, 15(1), str. 159–179. Dostopno na: https://www.geologija-revija.si/index.php/geologija/article/view/1602 (Pridobljeno: 26 oktober 2026).