Baretta, D.; Mafra, Á. L.; Santos, J. C. P.; Amarante, C. V. T. do; Bertol, I. Multivariate Analysis of Soil Fauna under Different Soil Tillage and Crop Management Systems. PAB 2006, 41 (11), 1675-1679. https://doi.org/10.1590/S1678-3921.pab2006.v41.7331.