Budelsky, Carl A. 1969. ?Variation In Transpiration And Its Relationship With Growth For Pinus Ponderosa Lawson In Southern Arizona?. Watershed Management. Watershed Management. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=755441531&sid=6&Fmt=1&clientld=43922&RQT=309&Vname=PQD.