Koch, B.E. 1963. “Fossil Plants from the Lower Paleocene of the Agatdalen (Angmârtussut) Area, Central Nûgssuaq Peninsula, Northwest Greenland”. Bulletin Grønlands Geologiske Undersøgelse 38 (August). Copenhagen, Denmark:1-120. https://doi.org/10.34194/bullggu.v38.6572.