PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1989.15.11.262 DP - 1989 Nov 01 TA - Arboriculture & Urban Forestry (AUF) PG - 262--262 VI - 15 IP - 11 4099 - http://auf.isa-arbor.com/content/15/11/262.short 4100 - http://auf.isa-arbor.com/content/15/11/262.full SO - JOA1989 Nov 01; 15