V. G. C. da Rosa, M. A. Moreira, B. F. T. Rudorff, and M. Adami, “Coffee crop yield estimate using an agrometeorological‑spectral model”, PAB, vol. 45, no. 12, pp. 1478–14, Feb. 2011, doi: 10.1590/S1678-3921.pab2010.v45.8623.