Berthelsen, Asger, and David Bridgwater. “On the Field Occurrence and Petrography of Some Basic Dykes of Supposed Pre-Cambrian Age from the Southern Sukkertoppen District, Western Greenland”. Meddelelser Om Grønland, vol. 123, no. 3, May 2026, p. 43 pp, 3 plates, https://tidsskrift.dk/meddrgroenland/article/view/167866.