Thiago, L.R.L. de S. et al. (2014) “The use of sugar cane tops for fattening steers in feedlots, supplemented with corn, sorghum, urea and pigeon-pea forage”, Pesquisa Agropecuaria Brasileira, 21(3), pp. 317–321. doi:10.1590/S1678-3921.pab1986.v21.14748.