Voss, Márcio, and Robert Wayne Stephen Phillip Thomas. “Reduction in the Absorption of Copper and Manganese in Solution by Wheat Cultivars Inoculated With a <i>Pseudomonas< i> Sp”. Pesquisa Agropecuaria Brasileira, vol. 33, no. 5, May 1998, pp. 755-60, doi:10.1590/S1678-3921.pab1998.v33.4882.