References
- Philips, D. J. H., 1980: Quantitative Aquatic Biological Indicators. — Applied Science Publ. Ltd., London, p. 488, Pollution Monitoring Series (Adv. Ed. K. Mellanby).
- Salánki, J., V.-Balogh, K. & Berta, E., 1982: Heavy metals in animals of Lake Balaton. — Water Res. 16: 1147–1152.
- V.-Balogh, K., Fernandez, D. S. & Salánki, J., 1988: Heavy metal concentrations of Lymnaea stagnalts L. in the environs of Lake Balaton (Hungary). — Water Res. 22: 1205–1210.