1. Alexander RM. 1971. Size and shape. London: Edward Arnold.
2. Ang A.‐S, Tang WH. 1975. Probability concepts in engineering planning and design. New York: Wiley & Sons.
3. Banks CC. 1973. The strength of trees. Journal of the Institute of Wood Science6,44–70.
4. Behre CE. 1921. A study of windfall in the Adirondacks. Journal of Forestry19,632–637.
5. Blickman R, Full RJ, Ting L. 1993. Exoskeletal strain evidence for a trot‐gallop transition in rapidly running crabs. Journal of Experimental Biology179,301–321.