Lee, J.M., E.R. Thom, C.D. Waugh, N.L. Bell, M.R. Mcneill, D.J. Wilson, and D.F. Chapman. “Trajectory and Causes of Decline in the Botanical Composition of Dairy-Grazed Pasture in the Waikato”. Journal of New Zealand Grasslands 79 (January 1, 2017): 89–96. Accessed July 25, 2026. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/546.