J. M. Barbosa, C. F. A. Rezende, W. M. Leandro, R. F. Ratke, e E. P. Fernandes, “Micronutrient application and residual effect on corn production in a no-tillage system”, Sem. Ci. Agr., vol. 33, nº 6, p. 2187–2198, dez. 2012.