TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 268 LP - 268 DO - 10.48044/joa.1985.12.11.268 VL - 12 IS - 11 A2 - , Y1 - 1986/11/01 UR - http://auf.isa-arbor.com/content/12/11/268.abstract N2 - ER -