Román-Toro, Jessé, and Rafael Montalvo-Zapata. “EN MEMORIA: FERNANDO ABRUÑA RODRÍGUEZ 1922-2007”. The Journal of Agriculture of the University of Puerto Rico 93, no. 3-4 (October 1, 2009): 301–310. Accessed July 17, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/5478.