RT Journal Article SR Electronic T1 Abstract JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 14 OP 14 DO 10.48044/joa.1985.11.1.14 VO 11 IS 1 YR 1985 UL http://auf.isa-arbor.com/content/11/1/14.abstract AB