1. American National Standards Institute, Inc., “Specifications and Dimensions for Wood Poles.” ANSI 05.1, New York, NY, (1979.
2. American National Standards Institute, Inc., “National Electrical Safety Code.” Institute of Electrical and Electronics Engineers, Inc., ANSI C2, New York, NY, (1984.
3. Bodig, J., “Nondestructive Evaluation of Wood Utility Poles,” Proceedings of the 7th Wood Pole Institute, Colorado State University, Fort Collins, Colorado, pp. 65–88, July 13–15, (1981.
4. “Reliability of Wood Transmission Structures through Nondestructive Evaluation,”;Bodig;IEEE Transactions on Power Apparatus and Systems,1982
5. Bodig, J. and G. E. Phillips, “Mechanical Properties of Wood Utility Poles,” Proceedings of the American Wood Preservers Association's 1984 Annual Meeting, Dallas, Texas, Vol. 80, pp. 128–138, April 16–18, (1984.