de Castro, G. R., Padilha, C. do C. F., Rocha, J. C., Valente, J. P. S., Florentino, A. de O., & Padilha, P. M. (2005). Lability of Cd, Cr, Cu, Mn and Pb complexed by aquatic humic substances. Eclética Química, 30(2), 45–51. https://doi.org/10.26850/1678-4618eqj.v30.2.2005.p45-51