PT - JOURNAL ARTICLE AU - Robert J. Youngberg TI - Shading Effects of Deciduous Trees AID - 10.48044/jauf.1983.069 DP - 1983 Nov 01 TA - Arboriculture & Urban Forestry (AUF) PG - 295--297 VI - 9 IP - 11 4099 - http://auf.isa-arbor.com/content/9/11/295.short 4100 - http://auf.isa-arbor.com/content/9/11/295.full