1. The continuing evolution of environmentally enhanced petroleum products;Booth,1997
2. BP Statistical Review of World Energy, 1997.
3. The Manic Sun — Wheather Theories Confounded;Calder,1997
4. The role of satellite measurements;Christy,1997
5. Klimamodelle-wo stehen wir?;Cubasch;Phys. Bl.,1995