@article{bispo_lamparelli_rocha_2014,  title={Using fraction images derived from modis data for coffee crop mapping},  volume={34},  ISSN={0100-6916},  url={https://doi.org/10.1590/S0100-69162014000100012},  DOI={10.1590/S0100-69162014000100012},  number={1},  journal={Engenharia Agrícola},  publisher={Associação Brasileira de Engenharia Agrícola},  author={Bispo, Rafael C. and Lamparelli, Rubens A. C. and Rocha, Jansle V.},  year={2014},  month={Jan},  pages={102–111} }