Getting there — Interesting papers on tree climbing are: M. Barker, An update on low-tech methods for forest canopy access and on sampling a forest canopy, Selbyana 18 (1997) 61-71. W.Y. Brockelman, A method for climbing rain forest tree boles without using vertical ropes, Selbyana 18 (1997) 72-76, describes an improvement of the old method of climbing with foot-and-waist ropes.