Eastwood, C.R., and B.T.Dela Rue. “Identification of Operational Performance Attributes for Pasture Measuring Devices”. Journal of New Zealand Grasslands 79 (January 1, 2017): 217–222. Accessed June 24, 2026. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/532.