TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 283 LP - 283 DO - 10.48044/joa.1986.12.11.283 VL - 12 IS - 11 A2 - , Y1 - 1986/11/01 UR - http://auf.isa-arbor.com/content/12/11/283.abstract N2 - ER -