PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1990.16.1.23 DP - 1990 Jan 01 TA - Arboriculture & Urban Forestry (AUF) PG - 23--23 VI - 16 IP - 1 4099 - http://auf.isa-arbor.com/content/16/1/23.short 4100 - http://auf.isa-arbor.com/content/16/1/23.full SO - JOA1990 Jan 01; 16