Peel, J.S, J.R Ineson, P.D Lane, and H.A Armstrong. 1981. “Lower Palaeozoic Stratigraphy Around Danmark Fjord, Eastern North Greenland”. Rapport Grønlands Geologiske Undersøgelse 106 (December). Copenhagen, Denmark:21-27. https://doi.org/10.34194/rapggu.v106.7763.