PÉREZ ESCOLAR, Raul; LUGO LÓPEZ, M. A. Nature of Aggregation in Two Tropical Soils of Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 52, n. 3, p. 227–232, 1968. DOI: 10.46429/jaupr.v52i3.11509. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11509. Acesso em: 24 apr. 2024.