PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1983.9.6.150 DP - 1983 Jun 01 TA - Arboriculture & Urban Forestry (AUF) PG - 150--150 VI - 9 IP - 6 4099 - http://auf.isa-arbor.com/content/9/6/150.short 4100 - http://auf.isa-arbor.com/content/9/6/150.full