Vaz, D. de O., Fernandes, A.N. and Szpoganicz, B. 2018. Complexations of Divalent Metallic Ions with Fulvic Acids. Eclética Química. 43, 1 (May 2018), 54–58. DOI:https://doi.org/10.26850/1678-4618eqj.v43.1.2018.p54-58.