1. AMAP, 1998. AMAP Assessment report: arctic pollution issues. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. xii+859pp.
2. AMAP, 2002. Arctic pollution 2002 (persistent organic pollutants, heavy metals, radioactivity, human health, changing pathways). Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. xii+112pp.
3. AMAP, 2004. AMAP assessment 2002: heavy metals in the arctic. Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway. http://amap.no/documents/index.cfm?dirsub=%2FAMAP%20Assessment%202002%3A%20Heavy%20Metals%20in%20the%20Arctic%20%28Pre%2Dprint%20files%29&sort=default
4. Arctic Council, 2005. Arctic Council website. http://www.arctic-council.org/
5. CIESIN, 2004. Gridded Population of the World (GPW), Version 3. Center for International Earth Science Information Network (CIESIN), Columbia University; and Centro Internacional de Agricultura Tropical (CIAT). GPW3 data are available at http://beta.sedac.ciesin.columbia.edu/gpw/index.jsp