Vargas, Roberto, and Nelia Acosta. “PASTEURIA PENETRANS: AGENTE BIORREPRESOR DE NEMATODOS EN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 74, no. 3 (July 1, 1990): 319–321. Accessed June 26, 2022. https://revistas.upr.edu/index.php/jaupr/article/view/6666.