SOTOMAYOR-RÍOS, A.; VÉLEZ-FORTUÑO, J.; WOODBURY, R.; SCHERTZ, K. F.; SIERRA-BRACERO, A. Description and Cytology of a Form of Signal Grass (Brachiaria brizantha Stapf.) and its Agronomic Behavior Compared to Guinea Grass (Panicum maximum Jack.). The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 44, n. 4, p. 208–220, 1960. DOI: 10.46429/jaupr.v44i4.13809. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/13809. Acesso em: 26 jun. 2022.