Bondam, Jan. “Petrography of a Group of Alkali-Trachytic Dyke Rocks from the Julianehaab District, South Greenland. A Contribution to the Alkali Feldspar Problem”. Meddelelser om Grønland 135, no. 2 (March 23, 2026): 3–21, 2 plates. Accessed April 10, 2026. https://tidsskrift.dk/meddrgroenland/article/view/166801.