PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1976.2.4.80 DP - 1976 Apr 01 TA - Arboriculture & Urban Forestry (AUF) PG - 80--80 VI - 2 IP - 4 4099 - http://auf.isa-arbor.com/content/2/4/80.short 4100 - http://auf.isa-arbor.com/content/2/4/80.full