1. Aas, W., Breivik, K., 2007. Heavy Metals and POP Measurements, 2004. The Norwegian Institute for Air Research Report EMEP/CCC-Report 6/2007, Kjeller, Norway.
2. Bartnicki, J., Gusev, A., Aas, W., Fagerli, H. 2007. Atmospheric Supply of Nitrogen, Lead, Cadmium, Mercury and Dioxines/Furanes to the Baltic Sea in 2005. The Norwegian Meterological Institute, EMEP/MSC-W Technical Report 3/2007, Oslo, Norway.
3. Toxicology of Metals;Chang,1996
4. EC, 2003. European Energy and Transport. Trends to 2030. KO-AC-02-001-EN-C Report, European Commission, Directorate General for Energy and Transport, Luxemburg.
5. EMEP, 2001. Manual for Sampling and Chemical Analysis. Norwegian Institute for Air Research, Report EMEP/CCC-Report 1/1995, revision 1/2001, Kjeller, Norway. Available from: .