HANSEN, Rikke Guldborg; PIKE, Daniel G.; THORGILSSON, Baldur; GUNNLAUGSSON, Thorvaldur; LAWSON, Jack. The Geometer: A New Device for Recording Angles in Visual Surveys. NAMMCO Scientific Publications, Tromsø, Norway, v. 11, 2020. DOI: 10.7557/3.5585. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/5585. Acesso em: 22 apr. 2026.