Vibart, Ronaldo Eduardo, Alec Mackay, Brian Devantier, Emma Noakes, and Paul Maclean. “Sheep Dung Disappearance from Grazed Hill Country Landscapes”. Journal of New Zealand Grasslands 83 (February 2, 2022): 171–177. Accessed September 12, 2024. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/3509.