1. Erhaltung und nachhaltige Nutzung tropischer Regenwälder;Anonymous,1986
2. The effects of acid deposition on the terrestrial environment in the United Kingdom;Anonymous,1988
3. Effects of acid deposition on crops and forests;Bell;Experientia,1986
4. Dynamics of forest dieback: systems analysis and simulation;Bossel;Ecol. Modelling,1986
5. Ecodynamics as a function of ecosystem structure: Forest dieback as an example;Bossel,1988