TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 245 LP - 245 DO - 10.48044/joa.1986.12.10.245 VL - 12 IS - 10 A2 - , Y1 - 1986/10/01 UR - http://auf.isa-arbor.com/content/12/10/245.abstract N2 - ER -