TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 160 LP - 160 DO - 10.48044/joa.1975.1.8.160 VL - 1 IS - 8 A2 - , Y1 - 1975/08/01 UR - http://auf.isa-arbor.com/content/1/8/160.abstract ER -