Parton, P., Clark, G., Reepmeyer, C., & Burley, D. (2018). The Field of War: LiDAR Identification of Earthwork Defences on Tongatapu Island, Kingdom of Tonga. Journal of Pacific Archaeology, 9(1), 11-24. Retrieved from https://pacificarchaeology.org/index.php/journal/article/view/231