QUIGLEY, R. M.; LEWINGTON, P. The Soil Column: Pipelines, Soils and Farming. Geoscience Canada, [S. l.], v. 1, n. 4, 1974. Disponível em: https://journals.lib.unb.ca/index.php/GC/article/view/2877. Acesso em: 25 apr. 2024.