PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1982.8.6.163 DP - 1982 Jun 01 TA - Arboriculture & Urban Forestry (AUF) PG - 163--163 VI - 8 IP - 6 4099 - http://auf.isa-arbor.com/content/8/6/163.short 4100 - http://auf.isa-arbor.com/content/8/6/163.full