Diurnal variation in stem radii and transpiration flow at different crown levels of a Norway Spruce (Picea abies [L.] Karst.)
Herzog, K. M., Thum, R., & Häsler, R. (1994). Diurnal variation in stem radii and transpiration flow at different crown levels of a Norway Spruce (Picea abies [L.] Karst.). Verhandlungen der Gesellschaft für Ökologie, 23, 143-147.