@inbook {KNZ00249, title = {Canopy photosynthesis}, booktitle = {Photosynthesis}, year = {1989}, note = {Published}, pages = {227 -241}, publisher = {Alan R. Liss, Inc}, organization = {Alan R. Liss, Inc}, address = {New York, N.Y}, keywords = {LTER-KNZ}, author = {Norman, J.M. and Polley, W.}, editor = {Briggs, W.R.} }