TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 232 LP - 232 DO - 10.48044/joa.1985.11.8.232 VL - 11 IS - 8 A2 - , Y1 - 1985/08/01 UR - http://auf.isa-arbor.com/content/11/8/232.abstract N2 - ER -