Scott, D., J.M. Keoghan, G.G. Cossens, L.A. Maunsell, M.J.S. Floate, B.J. Wills, and G. Douglas. “Limitations to Pasture Production and Choice of Species”. NZGA: Research and Practice Series 3 (January 1, 1985): 9–15. Accessed October 25, 2026. https://www.nzgajournal.org.nz/index.php/rps/article/view/3320.