%0 Journal Article %T Ecology and ecophysiology of tree stems: corticular and wood photosynthesis %A Pfanz, %A Aschan, %A Langenfeld-Heyser, %A Wittmann, %A Loose, %J Naturwissenschaften %V 89 %N 4 %P 147-162 %@ 0028-1042 %D 2002-04-15 %I Springer-Verlag %~ DeepDyve