J. O. M. de Assis, 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”, Rev. Bras. Ciênc. Ambient., vol. 56, no. 4, pp. 577–588, Oct. 2021.