Johnson, C. R., Lettie, J., Mack-Crane, S., & Szabelska-Beręsewicz, A. (2020). Branch duplication in trees: uniqueness of seeds and enumeration of seeds. Proyecciones (Antofagasta, On Line), 39(2), 451-465. https://doi.org/10.22199/issn.0717-6279-2020-02-0028