1. Nettles, W. R. (2001). Improving the utilization of logging residues. Thesis, Department of Forestry, Mississippi State University, Mississippi State, MS.
2. Beardsell, M. G. (1983). Integrated harvesting systems to incorporate the recovery of logging residues with the harvesting of conventional forest products. Thesis, Department of Forestry. Virginia Polytechnic Institute and State University, Blacksburg, VA.
3. Watson, W. F., Stokes, B. J., & Savelle, I. W. (1986). Comparisons of two methods of harvesting biomass for energy. Forest Products Journal, 36(4), 63–68.
4. Mattson, J. A., & Carpenter, E. M. (1976). Logging residue in a northern hardwood timber sale. Northern Logger and Timber Processor, 24(9), 16–29.
5. Zobel, B. J., & Sprague, J. R. (1998). Juvenile wood in forest trees. Berlin: Springer-Verlag.