Munck, Sole, and Arne Noe-Nygaard. 1942. “Chemical Analyses of Igneous and Metamorphic Rocks of Denmark, the Faeroes and Greenland. (To and Including 1940)”. Danmarks Geologiske Undersøgelse II. Række 68 (December):1-105. https://doi.org/10.34194/raekke2.v68.6857.