Fleck, N.G. and Machado, C.M.N. 2014. Plant population and row arrangement effects, in the sunflower/beans intercropping. Pesquisa Agropecuaria Brasileira. 24, 7 (Apr. 2014), 841–849. DOI:https://doi.org/10.1590/S1678-3921.pab1989.v24.16043.