TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) SP - 69 LP - 69 DO - 10.48044/joa.1982.8.3.69 VL - 8 IS - 3 A2 - , Y1 - 1982/03/01 UR - http://auf.isa-arbor.com/content/8/3/69.abstract ER -