V. M. Reis, M. A. de Paula, and J. Dobereiner, “Occurrence of arbuscular mycorrhizae and bacterium Acetobacter diazotrophicus in sugar cane”, PAB, vol. 34, no. 10, pp. 1933–1941, Oct. 1999, doi: 10.1590/S1678-3921.pab1999.v34.5517.