Nygren, Pekka, Florent Maraux, and Germán A. Sánchez. 1993. “Solar Radiation Transmission in the Canopy of <i>Erythrina poeppigiana< I> (Walpers) O.F. Cook”. Pesquisa Agropecuaria Brasileira 28 (2):167-76. https://doi.org/10.1590/S1678-3921.pab1993.v28.3864.