Higgins, A.K, J.R Ineson, J.S Peel, F Surlyk, and M Sønderholm. 1991. “Lower Palaeozoic Franklinian Basin of North Greenland”. Bulletin Grønlands Geologiske Undersøgelse 160 (January). Copenhagen, Denmark:71-139. https://doi.org/10.34194/bullggu.v160.6714.