Roda Robles, E., Fontan, F., Monchoux, P. ., Sørensen, H. ., & 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, 131–137. https://doi.org/10.34194/ggub.v190.5183