POVEZAVE

World Health Organization: http://www.who.int/en/

European Environmental Agency: http://themes.eea.eu.int/Specific_media/soil

European Topic Centre on Terrestrial Environment (ETC/TE): http://terrestrial.eionet.eu.int/

U.S Environmental Protection Agency: http://www.epa.gov/

Contaminated land in UK: http://www.contaminatedland.co.uk/

The International Union of Soil Sciences (IUSS): http://www.iuss.org/