1. Arctic Environment. Declaration on the Protection of the Arctic Environment, Rovaniemi, Finland;Arctic Environmental Protection Strategy,1991
2. AMAP Strategic Framework 2010+. AMAP Report 2010:8;AMAP,2010
3. Persistent organic pollutants;de March,1998
4. Final Act of the Plenipotentiaries on the Stockholm Convention on Persistent Organic Pollutants;UNEP,2001
5. Stockholm Convention on Persistent Organic Pollutants (POPs) as Amended in 2009;UNEP,2009