Assis, J. O. M. de, A. F. Menezes, W. M. de Souza, and M. do C. M. Sobral. “Methods to Analyze Spatio-Temporal Rainfall Variability: Application to the Pajeú River Basin, Pernambuco, Brazil”. Revista Brasileira De Ciências Ambientais, vol. 56, no. 4, Oct. 2021, pp. 577-88, doi:10.5327/Z21769478866.