Stouge, S. , Boyce, W.D. , Christiansen, J.L. , Harper, D.A. and Knight, I. 2002. Lower–Middle Ordovician stratigraphy of North-East Greenland. Geology of Greenland Survey Bulletin. 191, (Dec. 2002), 117–125. DOI:https://doi.org/10.34194/ggub.v191.5138.