TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 85 LP - 85 DO - 10.48044/joa.1987.13.3.85 VL - 13 IS - 3 A2 - , Y1 - 1987/03/01 UR - http://auf.isa-arbor.com/content/13/3/85.abstract N2 - ER -