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- Barron, E., and H. 1970a. Deterioration of trees killed by southern pine beetles. Unpublished thesis, Stephen F. Austin State University, Nacogdoches, Texas. 58 p.
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- Barron, E., and H. 1970c. Utilization of beetle-killed southern pine trees. Unpublished dissertation, Texas Forest Service, Conroe, Texas.
- Barron, E., and H. 1971. Deterioration of southern pine beetle-killed trees . Forest Products Journal 21:57-59.