RT Journal Article SR Electronic T1 Abstracts JF Arboriculture & Urban Forestry (AUF) FD International Society of Arboriculture SP 142 OP 142 DO 10.48044/joa.1984.10.5.142 VO 10 IS 5 YR 1984 UL http://auf.isa-arbor.com/content/10/5/142.abstract AB