Fernandes Flor de Souza, Sara, Maria do Socorro Bezerra de Araújo, José Alexandre Melo Demattê, y José Coelho de Araújo Filho. «Spectral Patterns in the Mid-Ir of Soils in the Northeast of Brazil and Their Relation to the Taxonomic Classification». Revista Brasileira de Geografia Física 13, no. 07 (abril 19, 2021): 3698–3711. Accedido julio 30, 2026. https://periodicos.ufpe.br/revistas/rbgfe/article/view/246014.