Botelho, Cesar Elias, et al. “Adaptability and Phenotype Stability of Arabica Coffee Cultivars in Minas Gerais, Brazil”. Pesquisa Agropecuaria Brasileira, vol. 45, no. 12, Mar. 2011, pp. 1404-11, doi:10.1590/S1678-3921.pab2010.v45.9326.