(1)
Roda Robles, E.; Fontan, F.; Monchoux, P. .; Sørensen, H. .; de Parseval, P. . Hiortdahlite II from the Ilímaussaq Alkaline Complex, South Greenland, the Tamazeght Complex, Morocco, and the Iles De Los, Guinea. ggub 2001, 190, 131-137.