Pereira, J. C., Neves, M. C. P. and Gava, C. A. T. (2000) “Effects of soybean cultivation on the bacterial population dynamics in cerrado soils”, Pesquisa Agropecuaria Brasileira, 35(6), pp. 1183–1190. doi: 10.1590/S1678-3921.pab2000.v35.5893.