Stensiö, Erik A:son. “On the Placodermi of the Upper Devonian of East Greenland. Second Supplement to Part I”. Meddelelser om Grønland 97, no. 3 (October 28, 2026): 33 pp., 6 plates. Accessed October 31, 2026. https://tidsskrift.dk/meddrgroenland/article/view/172225.