Čar, J. (1988) “Heterastridium conglobatum Reuss, 1865 (?Hydrozoan) in the Norian Limestone of the Kamnik Alps (Slovenia, NW Yugoslavia)”, Geologija, 31(1), pp. 199–207. Available at: https://www.geologija-revija.si/index.php/geologija/article/view/608 (Accessed: 29March2024).