TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 209 LP - 209 DO - 10.48044/joa.1985.11.7.209 VL - 11 IS - 7 A2 - , Y1 - 1985/07/01 UR - http://auf.isa-arbor.com/content/11/7/209.abstract N2 - ER -