Goyal, Megh R., Eliodoro J. Ravalo, and Eladio A. González. “NORMAL MONTHLY CLASS A PAN EVAPORATION FOR AGRICULTURAL EXPERIMENT SUBSTATIONS IN PUERTO RICO”. The Journal of Agriculture of the University of Puerto Rico 73, no. 1 (January 1, 1989): 85–87. Accessed December 22, 2024. https://revistas.upr.edu/index.php/jaupr/article/view/6379.