Brauner, J.L., and J.R. Sarruge. 1980. “ Aluminum and Manganese Tolerance on Wheat (Triticum Aestivum L.) Cultivars: V. Al and Mn Influence and Tolerance Degree to Each Element in the Ca Uptake ”. Anais Da Escola Superior De Agricultura Luiz De Queiroz 37 (2): 865-94. https://doi.org/10.1590/S0071-12761980000200022.