Dias-Filho, M.B. et al. 1995. Irradiance and water deficit effects on gas exchange behavior of two C3 Amazonian weeds. Pesquisa Agropecuaria Brasileira. 30, 3 (Mar. 1995), 319–325. DOI:https://doi.org/10.1590/S1678-3921.pab1995.v30.4310.