Silva, S. C. da, & Cunha, W. F. da. (2003). Indirect methods for estimating herbage mass in <i>Cynodon</i> spp. swards. Pesquisa Agropecuaria Brasileira, 38(8), 981–989. https://doi.org/10.1590/S1678-3921.pab2003.v38.6662