KEULEN, N.; KALVIG, P. Fingerprinting of corundum (ruby) from Fiskenæsset, West Greenland. GEUS Bulletin, Copenhagen, Denmark, v. 28, p. 53–56, 2013. DOI: 10.34194/geusb.v28.4724. Disponível em: https://geusbulletin.org/index.php/geusb/article/view/4724. Acesso em: 9 aug. 2022.