[1]
Bjerreskov, M. and Poulsen, V. 1973. Ordovician and Silurian faunas from northern Peary Land, North Greenland. Rapport Grønlands Geologiske Undersøgelse. 55, (Jan. 1973), 10–14. DOI:https://doi.org/10.34194/rapggu.v55.7339.