Lima, José Maria de, Sharon Jill Anderson, Francis John Pierce, and Nilton Curi. “Improvement of Properties, and Water and Clay Movement in Vertisol-Amended Sand Columns”. Pesquisa Agropecuaria Brasileira 33, no. 7 (July 1, 1998): 1171–1177. Accessed July 7, 2026. https://apct.sede.embrapa.br/pab/article/view/4927.