1. Archambault, L., Barnes, B.V. and Witter, J.A. 1990. Landscape ecosystems of disturbed oak forests of southeastern Michigan, USA. Can. J. For. Res. 20: 1570?1582.
2. Barnes, B.V. 1984. Forest ecosystem classification and mapping in Baden-Württemberg, West Germany. In Forest Land Classification: Experience, Problems, Perspectives. pp. 49?65. Edited by J.G. Bockheim. Proc Symposium, NCR-102 North Central Forest Soils Committee, Society of American Foresters, USDA Forest Service, and USDA Soil Conservation Service, Madison, WI, March 1984.
3. Barnes, B.V. and Bosio, M. 1986. Report: Analysis of the ecosystem structure and vegetation of the Mack Lake burn: a framework for understanding the occurrence and behavior of Kirtland's warbler. Report to Wildlife Division, Michigan DNR, December 1986. 10 p.
4. Barnes, B.V., Pregitzer, K.S., Spies, T.A. and Spooner, V.H. 1982. Ecological forest site classification. J. For. 80: 493?498.
5. Barnes, B.V., Theiss, C. and Zou, X. 1989. Final report: Ecosystem structure and vegetation of the Mack Lake burn: a framework for understanding the occurrence and behavior of Kirtland's warbler. Report to Michigan DNR, February 1, 1989. 48 p.