1. Hazards of heavy metal contamination;Järup;Br. Med. Bull,2003
2. Why the Marine Environment Needs Protection from Heavy Metals,2004
3. Council Directive 76/464/EEC of 4 May 1976 on Pollution Caused by Certain Dangerous Substances Discharged into the Aquatic Environment of the Community
http://ec.europa.eu/environment/water/water-dangersub/pdf/76_464.pdf
4. Migration forms of heavy metals and their impact on water quality in the Hornád River basin;Pliešovská;Acta Montan. Slovaca,1997
5. Lead isotopes in muscles as tracers of metal sources and water movements in a Lagoon (Thau Basin, S. France);Labonne;Chem. Geol,2001