1. Fox, S. P., Minimum-Depth of Double-Tapered Pitched Glued-Laminated Beams, Information Report VP-X-73, Western Forest Products Laboratory, Vancouver, Canada.
2. Barrett, J. D., Forschi, R. O., and Fox, S. P., Perpendicular-to-Grain Strength of Douglas Fir. Canadian Journal of Civil Engineering, Vol. 2, pp. 50–57, 1975.
3. Laminated Timber Institute Of Canada, Timber Design Manual, Ottawa, Canada, 1973.
4. Canadian Standards Association, Code of Recommended Practice for Engineering Design in Timber, Standard CSA-086, Rexdale, Ontario, Canada, 1970.
5. Avriel, M., and Wilde, D. J., Optimal Condenser Design by Geometric Programming, I & EC Process Design and Development, Vol. 6, pp. 256–262, 1967.