[1]
Barbosa, G.M. de C. et al. 2007. Effect of sewage sludge on soil physical properties in a Clayey Oxisol. Semina: Ciências Agrárias. 28, 1 (Jul. 2007), 65–70. DOI:https://doi.org/10.5433/1679-0359.2007v28n1p65.