Epiphanio, J.C.N. et al. 1996. Vegetation indices for remote sensing of beans (<i>Phaseolus vulgaris</i> L.). Pesquisa Agropecuaria Brasileira. 31, 6 (Jun. 1996), 445–454. DOI:https://doi.org/10.1590/S1678-3921.pab1996.v31.4503.