Adsuar, José. “Studies on Virus Diseases of Papaya (carica Papaya) in Puerto Rico I. Transmission of Papaya Mosaic”. The Journal of Agriculture of the University of Puerto Rico 31, no. 3 (July 1, 1947): 248–256. Accessed March 28, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12853.