Salton, J. C.; Mello, N. A. de; Matsuoka, M.; Carvalho, P. C. de F.; Nabinger, C.; Bayer, C.; Mielniczuk, J. Soil Physical Attributes of a Paleudult under Natural Pasture After 18 Years at Different Levels of Herbage Allowances. Rev. Ciênc. Agrovet. 2008, 7, 107-118.