T.A. Spies

Spatio-temporal development of forests – current trends in field studies and models
Gratzer, G., Charles D. Canham, U. Dieckmann, A. Fischer, Y. Iwasa, R. Law, M.J. Lexer, et al. 2004. “Spatio-Temporal Development Of Forests – Current Trends In Field Studies And Models”. Oikos 107: 3-15. http://www.caryinstitute.org/reprints/Gratzer_et_al_2004_Oikos_107_3-15.pdf.
Light regimes beneath closed canopies and tree-fall gaps in temperate and tropical forests
Canham, Charles D., J.S. Denslow, W.J. Platt, J.R. Runkle, T.A. Spies, and P.S. White. 1990. “Light Regimes Beneath Closed Canopies And Tree-Fall Gaps In Temperate And Tropical Forests”. Can. J. For. Res. 20: 620-631. http://www.caryinstitute.org/reprints/Canham_et_al_1990_Can_J_For_Res_20_620-631.pdf.