TY - JOUR T1 - Professional Consultation to Help Avoid Legal Problems of Shade Commissions JF - Arboriculture & Urban Forestry (AUF) SP - 106 LP - 109 DO - 10.48044/jauf.1981.024 VL - 7 IS - 4 AU - William J. Porter Y1 - 1981/04/01 UR - http://auf.isa-arbor.com/content/7/4/106.abstract N2 - ER -