Binzer, K. and Karup-Møller, S. (1974) “Ferri-sepiolite in hydrothermal calcite-quartz-chalcedony veins on Nûgssuaq in West Greenland”, Bulletin Grønlands Geologiske Undersøgelse. Copenhagen, Denmark, 114, pp. 1–16. doi: 10.34194/bullggu.v114.6655.