Biblio
] . 1973. “Effects Of Light Preconditioning On The Seasonal Water Relations Of Nursery-Grown Douglas-Fir”. Forest Management. Forest Management. Oregon State University. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=759152371&sid=7&Fmt=1&clientId=43922&RQT=309&VName=PQD.
. 1967. “Stomatal Activity In Semi-Arid Site Pnderosa Pine”. Watershed Management. Watershed Management. University of Arizona.