Black, A.D., and T.P. Ryan-Salter. “Evaluation of Perennial lupin/Cocksfoot Pasture Relative to Lucerne Pasture under Summer Dry Conditions”. Journal of New Zealand Grasslands 78 (January 1, 2016): 123–132. Accessed April 30, 2026. https://www.nzgajournal.org.nz/index.php/JoNZG/article/view/530.