Carvalho, Samuel Pereira, et al. “Meta-Analysis for Heritability Estimates of Vegetative and Reproductive Traits of Coffea Arabica L”. Semina: Ciências Agrárias, vol. 33, no. 4, Aug. 2012, pp. 1291-8, doi:10.5433/1679-0359.2012v33n4p1291.