Adsuar, José. “A MOSAIC DISEASE OF COWPEA (VIGNA SINENSIS SAVI) IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 48, no. 3 (July 1, 1964): 264–264. Accessed April 25, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12995.