1. IEA (1997) International Energy Agency statement on the Energy dimension of climate change.
2. Tucker, B (1997) Science friction: the politcs of global warming. The National Interest.
3. United Nations (1997) Kyoto protocol to the United Nations framework convention on climage change.
4. United Nations (1995) Statistical Yearbook. fortieth issue.
5. World Energy Council (1997) Statement to the Third Conference of the parties to the UN climate convention, December 1997.