HANSEN, R. G.; PIKE, D. G.; THORGILSSON, B.; GUNNLAUGSSON, T.; LAWSON, J. The Geometer: A New Device for Recording Angles in Visual Surveys. NAMMCO Scientific Publications, [S. l.], v. 11, 2020. DOI: 10.7557/3.5585. Disponível em: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/5585. Acesso em: 11 oct. 2024.