Camargo, Carlos Eduardo de Oliveira, and Antonio Wilson Penteado Ferreira. “Tolerance of Wheat Cultivars to Different Levels of Manganese in Nutrient Solution”. Pesquisa Agropecuaria Brasileira, vol. 27, no. 3, Mar. 1992, pp. 417-22, doi:10.1590/S1678-3921.pab1992.v27.3664.