Belowground Responses to Rising Atmospheric CO2: Implications for Plants, Soil Biota, and Ecosystem Processes. Proceedings of a workshop held at the University of Michigan Biological Station, Pellston, Michigan, USA, May 29ƒ??June 2, 1993
Biotransformation and fate of chemicals in the aquatic environment: Proceedings of a workshop held at the University of Michigan Biological Station, Pellston, Michigan, 14-18 August 1979