Rodrigues, E.F. da G., De-Polli, H. and Eira, P.A. da (1994) “Inoculation, liming and fertilization of Mucuna aterrima and Canavalia ensiformis in a red-yellow podzolic soil”, Pesquisa Agropecuaria Brasileira, 29(5), pp. 807–814. doi:10.1590/S1678-3921.pab1994.v29.4119.