PT - JOURNAL ARTICLE ED - International Society of Arboriculture TI - Abstracts AID - 10.48044/joa.1990.16.12.330 DP - 1990 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 330--330 VI - 16 IP - 12 4099 - http://auf.isa-arbor.com/content/16/12/330.short 4100 - http://auf.isa-arbor.com/content/16/12/330.full