PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1982.8.12.322 DP - 1982 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 322--322 VI - 8 IP - 12 4099 - http://auf.isa-arbor.com/content/8/12/322.short 4100 - http://auf.isa-arbor.com/content/8/12/322.full