Bruehl, G. W., and Efraín Boneta García. “A Chlorotic Streak Disease of Merker Grass (Pennisetum Purpureum)”. The Journal of Agriculture of the University of Puerto Rico 39, no. 4 (October 1, 1955): 190–196. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/12672.