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Carabid Beetle Activity-Density and Diversity in Northern Hardwood Forests of Michigan. School of Natural Resources & Environment. Doctor of Philosophy:109pp... 2006.
Condition of hardwood forests in Michigan: 1991-1999. Technical Report 00-1. 2000.
Effects of an air pollution gradient on northern hardwood forests in the northern Great Lakes region. :54pp... 1991.
Effects of an air pollution gradient on northern hardwood forests in the northern Great Lakes region.. 1988.
Environmental stress effects on vigor, mortality, and growth in northern hardwood forests along a pollution-climate gradient. The Michigan Academician. 30:27-47.. 1998.
Invertebrate Biodiversity in Northern Hardwood Ecosystems under Varying Disturbance Regimes. Beech Bark Disease: Proceedings of the Beech Bark Disease Symposium. Gen. Tech. Rep. NE-331:88-91.. 2005.
Ion leaching in forest ecosystems along a Great Lakes air pollution gradient. Journal of Environmental Quality. 21(4):614-623.. 1992.
The Michigan impact monitoring system: baseline survey final report. Technical Report 94-2:35pp... 1994.
Protocol handbook for the Michigan Impact Monitoring System. Handbook 95-1. 2000.
Soil solution chemistry and ion leaching in northern hardwood forests across an 800 km pollution gradient. Emerging Issues in Northern Hardwood Management: Air Pollution, Climate Change & Biodiversity. Miscellaneous Publication 91-1:38.. 1991.
Studying the effects of air pollution on forest along exposure gradients: experiences in the United States and opportunities for cooperation. Climate and Atmospheric Deposition Studies in Forests. :109-115.. 1994.
Sulfate adsorption in forest soils of the Great Lakes region. Soil Science Society of America Journal. 58:1546-1555.. 1994.