Bohm, G. M. B.; Scheneider, L.; Castilhos, D.; Agostinetto, D.; Rombaldi, C. V. Weed Control, Biomass and Microbial Metabolism of Soil Depending on the Application of Glyphosate and Imazethapyr on Crop Soybeans. Semina: Ciênc. Agrár. 2011, 32, 919-930.