Alvarez García, L. A., and José Adsuar. “STUDIES ON TOMATO MOSAIC IN PUERTO RICO A NEW MOSAIC DISEASE OF TOMATO”. The Journal of Agriculture of the University of Puerto Rico 27, no. 4 (October 1, 1943): 141–148. Accessed April 25, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12881.