[1]
M. Hamrla, “A contribution to the geology of the senonian region of the Grdelička klisura (Grdelica gorge) in southern Serbia”, geologija, vol. 1, no. 1, pp. 243–261, Dec. 1953, Accessed: Oct. 26, 2026. Available: https://www.geologija-revija.si/index.php/geologija/article/view/137