PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1989.15.7.176 DP - 1989 Jul 01 TA - Arboriculture & Urban Forestry (AUF) PG - 176--176 VI - 15 IP - 7 4099 - http://auf.isa-arbor.com/content/15/7/176.short 4100 - http://auf.isa-arbor.com/content/15/7/176.full SO - JOA1989 Jul 01; 15