C. R. dos S. Domingues, J. Z. Barbosa, R. Consalter, M. dos Santos, W. M. Adam, and A. C. V. Motta, “Influence of zinc deficiency on the mineral composition of maize plants in contrasting soils ”, Biosci. J., vol. 32, no. 5, pp. 1234–1245, Oct. 2016.