1. Velferdsvirkninger of redusert mobilitet;Berge;TOI report 128/1992, Oslo,1992
2. Investing in Cultural Capital for Sustainable Use of Natural Capital;Berkes,1994
3. Europe: A Heterogenous ‘Single Market’;Bovy,1993
4. Understanding the trap of bioinvasion;Bright,1996
5. The Future Development of the Common Transport Policy — A Global Approach to the Construction of a Community Framework for Sustainable Mobility;CEC,1992