Drewry, John J., Heather North, Stella E. Belliss, and Alexander Amies. “Winter-Forage Crop Grazing in the Gore-Mataura Area of Southland: Using Time-Series Mapping to Estimate Location and Frequency of Cropping”. Journal of New Zealand Grasslands 82 (October 6, 2020): 129–137. Accessed May 26, 2026. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/425.