PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1986.12.9.218 DP - 1986 Sep 01 TA - Arboriculture & Urban Forestry (AUF) PG - 218--218 VI - 12 IP - 9 4099 - http://auf.isa-arbor.com/content/12/9/218.short 4100 - http://auf.isa-arbor.com/content/12/9/218.full SO - JOA1986 Sep 01; 12