Roda Robles, E., Fontan, F., Monchoux, P. ., Sørensen, H. . and de Parseval, P. . (2001) “Hiortdahlite II from the Ilímaussaq alkaline complex, South Greenland, the Tamazeght complex, Morocco, and the Iles de Los, Guinea”, Geology of Greenland Survey Bulletin, 190, pp. 131–137. doi: 10.34194/ggub.v190.5183.