TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 151 LP - 151 DO - 10.48044/joa.1985.11.5.151 VL - 11 IS - 5 A2 - , Y1 - 1985/05/01 UR - http://auf.isa-arbor.com/content/11/5/151.abstract N2 - ER -