1. International organizations and the creation of environmental regimes;Breitmeier,1997
2. Earth negotiations;Chasek,2001
3. Gerhard M. Project 2001—legal framework for the commercial use of outer space. In: Proceedings of the project 2001—workshop on National Space Legislation. Project 2001—working group on National Space Legislation. Need and prospects for National Space Legislation. 5/6 December 2000, Munich, Germany. Cologne; 2001. p. 7–14.
4. A fresh look at soft law;Hillgenberg;European Journal of International Law,1999
5. Environmental impact assessment in the Arctic;Koivurova,2002