Dale, T., R. Greenfield, K. Tozer, and C. Cameron. “Post-Sampling Procedure Affects the Measured Nutritive Value of Perennial Ryegrass (Lolium Perenne)”. Journal of New Zealand Grasslands, vol. 79, Jan. 2017, pp. 263-8, doi:10.33584/jnzg.2017.79.549.