PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1989.15.10.252 DP - 1989 Oct 01 TA - Arboriculture & Urban Forestry (AUF) PG - 252--252 VI - 15 IP - 10 4099 - http://auf.isa-arbor.com/content/15/10/252.short 4100 - http://auf.isa-arbor.com/content/15/10/252.full SO - JOA1989 Oct 01; 15