1. Adams, R. D. 1969: Fracture development in wood resulting from bending stresses and detected using the acoustic emission phenomenon. Masters Thesis. Department of Forestry, University of British Columbia
2. Ansell, M. P. 1978: Acoustic emission as a technique for monitoring fracture processes in wood. Proceedings of symposium: Structural use of wood in adverse environments. Vancouver, B. C.
3. Arrington, M. 1978: Some industrial applications of acoustic emission monitoring. NDT International. 11: 117?120
4. ASTM. 1972: Acoustic emission. STP 505
5. ASTM. 1975: Monitoring structural integrity by acoustic emission. STP 571