Paulino, Virginia Ellen do Nascimento, Studart, Ticiana Marinho de Carvalho, Campos, José Nilson B., Pestana, Carlos J., Luna, Renata Mendes, Alves, José Maria Brabo, "Trends in crop reference evapotranspiration and climatological variables across Ceará state: Brazil.", Revista Brasileira de meteorologia, 2019