PT - JOURNAL ARTICLE ED - International Society of Arboriculture TI - Abstracts AID - 10.48044/joa.1990.16.1.11 DP - 1990 Jan 01 TA - Arboriculture & Urban Forestry (AUF) PG - 11--11 VI - 16 IP - 1 4099 - http://auf.isa-arbor.com/content/16/1/11.short 4100 - http://auf.isa-arbor.com/content/16/1/11.full SO - JOA1990 Jan 01; 16