BOYCE, D. S.; PÉREZ-FONRODONA, A. A. Observations on the Resistance to Vertical Airflow of Green and Parchment Coffees. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 46, n. 1, p. 55–64, 1962. DOI: 10.46429/jaupr.v46i1.12294. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12294. Acesso em: 26 jan. 2023.