RAVERA, Oscar, Roberto CENCI, Gian Maria BEONE, Marta DANTAS, and Paolo LODIGIANI. 2003. “Trace Element Concentrations in Freshwater Mussels and Macrophytes As Related to Those in Their Environment”. Journal of Limnology 62 (1):61-70. https://doi.org/10.4081/jlimnol.2003.61.