Baumgartner JG, Haag HP, Oliveira GDD, Perecin D. Tolerance to aluminum and manganese of tomato (Lycopersicon esculentum Mill) cultivars . An. Esc. Super. Agr. Luiz de Queiroz. 1976;33:513-541. doi:10.1590/S0071-12761976000100046