L. Gale, U. Novak, T. Kolar-Jurkovšek, M. Križnar, and F. Stare, “Characterization of silicified fossil assemblage from upper Carnian ‘Amphiclina beds’ at Crngrob (central Slovenia)”, geologija, vol. 60, no. 1, pp. 61–75, Jun. 2017, doi: 10.5474/geologija.2017.005.