Roque, Arturo, and José Adsuar. “STUDIES ON THE MOSAIC OF PEPPERS (CAPSICUM FRUTESCENS) IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 25, no. 4 (October 1, 1941): 40–50. Accessed November 23, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/3523.