PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1982.8.3.66 DP - 1982 Mar 01 TA - Arboriculture & Urban Forestry (AUF) PG - 66--66 VI - 8 IP - 3 4099 - http://auf.isa-arbor.com/content/8/3/66.short 4100 - http://auf.isa-arbor.com/content/8/3/66.full