PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1984.10.5.142 DP - 1984 May 01 TA - Arboriculture & Urban Forestry (AUF) PG - 142--142 VI - 10 IP - 5 4099 - http://auf.isa-arbor.com/content/10/5/142.short 4100 - http://auf.isa-arbor.com/content/10/5/142.full