J.R. Runkle

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: 620-31. http://www.caryinstitute.org/reprints/Canham_et_al_1990_Can_J_For_Res_20_620-631.pdf.