SCHOEPF, Ulrich. Vertical Cutter Mining – A sustainable technology for mining of small vertical kimberlite bodies and veins. International Kimberlite Conference: Extended Abstracts, [S. l.], v. 12, 2024. DOI: 10.29173/ikc4128. Disponível em: https://journals.library.ualberta.ca/ikcabstracts.com/index.php/ikc/article/view/4128. Acesso em: 13 mar. 2025.