J. C. A. Nóbrega, J. M. de Lima, N. Curi, J. O. Siqueira, and P. E. F. da Motta, “Aggregate stability in two cropped and no-cropped Oxisols as affected by phosphate addition and mycorrhiza”, PAB, vol. 36, no. 11, pp. 1425–1435, Nov. 2001, doi: 10.1590/S1678-3921.pab2001.v36.6276.