Vivian Acunha, J. B. and Waltrick Coelho, R. (1997) “Effects of height and interval of cutting on dwarf elephant grass. II. Mineral composition of the forage”, Pesquisa Agropecuaria Brasileira, 32(3), pp. 339–344. doi: 10.1590/S1678-3921.pab1997.v32.4629.