Hansen RG, Pike DG, Thorgilsson B, Gunnlaugsson T, Lawson J. The Geometer: A New Device for Recording Angles in Visual Surveys. NAMMCOSP [Internet]. 2020 Sep. 24 [cited 2026 Apr. 21];11. Available from: https://septentrio.uit.no/index.php/NAMMCOSP/article/view/5585