PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1990.16.2.41 DP - 1990 Feb 01 TA - Arboriculture & Urban Forestry (AUF) PG - 41--41 VI - 16 IP - 2 4099 - http://auf.isa-arbor.com/content/16/2/41.short 4100 - http://auf.isa-arbor.com/content/16/2/41.full SO - JOA1990 Feb 01; 16