CAMPANELLA, Luigi, et al. “Relationship Between Anti-Oxidant Capacity and Manganese Accumulation in the Soft Tissues of Two Freshwater Molluscs: Unio Pictorum Mancus (Lamellibranchia, Unionidae) and Viviparus Ater (Gastropoda, Prosobranchia)”. Journal of Limnology, vol. 64, no. 2, Aug. 2005, pp. 153-8, doi:10.4081/jlimnol.2005.153.