- Smith, R., and L. Boring. 1990. Pinus rigida coarse woody debris inputs and decomposition in pine beetle gaps of the southern Appalachians . Bulletin of the Ecological Society of America 71:329.
- Smith, R., and L. Boring. 1991. The impact of Dendroctonus frontalis on Pinus rigida dynamics in the southern Appalachians . Bulletin of the Ecological Society of America 72:254.