Nagy , Jenö, and Sigrid H. Berge. “Micropalaeontological Evidence of Brackish Water Conditions During Deposition of the Knorringfjellet Formation, Late Triassic–Early Jurassic, Spitsbergen”. Polar Research 27, no. 3 (December 1, 2008): 413-427. Accessed March 30, 2026. https://polarresearch.net/index.php/polar/article/view/2898.