Barros, N.N. et al. (1991) “Comparative study of digestibility of native legumes with sheeps and goats in the ‘sertao’ of Ceara II. In vivo digestibility of mata-pasto hay”, Pesquisa Agropecuaria Brasileira, 26(8), pp. 1215–1218. doi:10.1590/S1678-3921.pab1991.v26.3459.