1. Elmendorf, A., ‘Stresses in impact’,Journal of the Franklin Institute 182 (6), 1916.
2. Young, J. F., Mindess, S., Gray, R. J. and Bentur, A., ‘The Science and Technology of Civil Engineering Materials’, Prentice Hall, 1998.
3. Mindess, S. and Madsen, B., ‘The Fracture of Wood under Impact Loading’, RILEM Materials and Structures Research and Testing, pp. 49–53, 1986.
4. ‘Wood Reference Handbook’, Canadian Wood Council, 1991.
5. Banthia, N. P., ‘Impact Resistance of Concrete’, Ph.D. Thesis, University of British Columbia, 1987.