PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1986.12.7.168 DP - 1986 Jul 01 TA - Arboriculture & Urban Forestry (AUF) PG - 168--168 VI - 12 IP - 7 4099 - http://auf.isa-arbor.com/content/12/7/168.short 4100 - http://auf.isa-arbor.com/content/12/7/168.full SO - JOA1986 Jul 01; 12