Pozza, Adélia Aziz Alexandre, et al. “Influence of the Mineral Nutrition on Intensity of Brown-Eye Spot in Young Coffee Plants”. Pesquisa Agropecuaria Brasileira, vol. 36, no. 1, Jan. 2001, pp. 53-60, doi:10.1590/S1678-3921.pab2001.v36.6108.