Gómez Velázquez, Alejandra, Alfredo Esteban Tadeo Noble, Leonardo Beltrán Rodríguez, Enrique Guízar Nolazco, Maribel Apodaca Martínez, and Ángel Leyva Ovalle. 2020. “Association Coefficient Between Species of Semi-Evergreen Forest in Calakmul, Mexico”. Bosque 41 (3):233-39. https://doi.org/10.4067/S0717-92002020000300233.