JAKUBEC, J.; LONG, L.; NOWICKI, T.; DYCK, D. Underground geotechnical and geological investigation at the Ekati mine - Koala North case study. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 8, 2003. DOI: 10.29173/ikc3232. Disponível em: http://ikcabstracts.com/index.php/ikc/article/view/3232. Acesso em: 3 mar. 2021.