TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 298 LP - 298 DO - 10.48044/joa.1987.13.12.298 VL - 13 IS - 12 A2 - , Y1 - 1987/12/01 UR - http://auf.isa-arbor.com/content/13/12/298.abstract N2 - ER -