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Kemerich, P. D. da C.; Martins, S. R.; Kobyama, M.; Borba, W. F. de; Silva, R. F. da. Spatial Variability of Soil Chemical Elements in Different Uses for River Basin Vacacaí-Mirim, Rio Grande Do Sul. Anu. Inst. Geociênc. 2013, 36, 5-15.