Cóser, A. C., Martins, C. E., Deresz, F., Freitas, A. F. de, Paciullo, D. S. C., Salvati, J. A., & Schimidt, L. T. (2003). Methods to estimate edible forage in an elephant grass pasture. Pesquisa Agropecuaria Brasileira, 38(7), 875–879. https://doi.org/10.1590/S1678-3921.pab2003.v38.6648