M. J. Fisher, Bohnert, D. W., Ackerman, C. J., Schauer, C. S., Delcurto, T., Craig, A. M., Vanzant, E. S., Harmon, D. L., and Schrick, F. N.,
“Evaluation of perennial ryegrass straw as a forage source for ruminants.”,
Journal of Animal Science, vol. 82, no. 7, pp. 2175-84, 2004.
]