Lichston, Juliana Espada, and Silvana Aparecida Pires de Godoy. “Morphology and Epicuticular Wax Content of Coffee Leaves After Fungicide Application”. Pesquisa Agropecuaria Brasileira, vol. 41, no. 6, June 2006, pp. 919-26, doi:10.1590/S1678-3921.pab2006.v41.7226.