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The Dendroecology of Red Spruce Decline." In Ecology and Decline of Red Spruce in the Eastern United States, 192-231. Vol. 96. New York, NY: Springer-Verlag, 1992.
"An Analysis of Climate and Competition as Contributors to Decline of Red Spruce in High Elevation Appalachian Forests of the Eastern United States." Oecologia 72, no. 4 (1987): 487-501.
"A Tree Ring Analysis of Red Spruce in the Southern Appalachian Mountains In Analyses of Great Smoky Mountain Red Spruce Tree Ring Data. New Orleans, LA: U.S. Department of Agriculture, Forest Service, 1988.