1. Managing a sea, The ecological economics of the Baltic;Gren,2000
2. Coastal waters of the world;Hinrichsen,1998
3. United Nations Environmental Programme. Interactive maps. Baltic Environmental Atlas; 2002, [Online] Available: http://maps.grida.no/ [2002, June 20]
4. Archambault S. Ecological modernization of the Swedish agriculture industry: reducing emissions to the Baltic Sea. IIIEE Reports. (2003). Vol. 1.
5. Ministry of the Environment. Summary of the Swedish environmental objectives, (2001). [Online] Available: http://miljo.regeringen.se/pressinfo/pdf/p9798_145e.pdf [2002, July 15]