Nygren, P., Maraux, F., & Sánchez, G. A. (1993). Solar radiation transmission in the canopy of <i>Erythrina poeppigiana</i> (Walpers) O.F. Cook. Pesquisa Agropecuaria Brasileira, 28(2), 167–176. https://doi.org/10.1590/S1678-3921.pab1993.v28.3864