1. Ang, A. H. S.; Tang, W. H. 1975: Probability concepts in engineering planning and design. John Wiley & Sons, Inc. New York. 409 pp
2. Barrett, J. D. 1974: Effect of size on tension perpendicular-to grain strength of Douglas-fir. Wood and Fiber 6 (2): 126?143
3. Barrett, J. D.; Foschi, R. O. 1977: Shear strength of uniformly loaded dimension lumber. Canadian Journal of Civil Engineering 4 (1): 86?95
4. Bodig, J. 1977: Bending properties of Douglas-fir-larch and hem-fir dimension lumber. Special Report No. 6888. Department of Forest and Wood Sciences. Colorado State University. Ft. Collins, CO
5. DeBonis, A. L. 1980: Stochastic simulation of wood load-sharing systems. Journal of the Structural Division, ASCE, Vol. 106, No. ST2, Proc. Paper 15186, Feb., pp. 393?410