DA SILVA, A.O. “ANGSTROM-PRESCOTT COEFFICIENTS AND ITS INFLUENCE ON SOLAR RADIATION AND ETO IN THE BEBEDOUROIRRIGATION PERIMETER, PETROLINA-PE”. Revista Brasileira de Engenharia de Biossistemas 8, no. 4 (December 16, 2014): 333–342. Accessed January 10, 2025. http://45.239.40.70/index.php/BIOENG/article/view/224.