Bolfe, Édson L., Batistella, M., & Ferreira, M. C. (2012). Correlation of spectral variables and aboveground carbon stock of agroforestry systems. Pesquisa Agropecuaria Brasileira, 47(9), 1261–1269. https://doi.org/10.1590/S1678-3921.pab2012.v47.11549