Macfarlane, M.J., E.W. Crofoot, and P.D. Muir. 2015. “Effects of Closing Date on Seeding and Hardseededness of Balansa, Gland, Persian and Arrowleaf Clovers on East Coast Dryland”. Journal of New Zealand Grasslands 77 (January):219-26. https://doi.org/10.33584/jnzg.2015.77.461.