PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1983.9.5.140 DP - 1983 May 01 TA - Arboriculture & Urban Forestry (AUF) PG - 140--140 VI - 9 IP - 5 4099 - http://auf.isa-arbor.com/content/9/5/140.short 4100 - http://auf.isa-arbor.com/content/9/5/140.full SO - JOA1983 May 01; 9