PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1990.16.9.235 DP - 1990 Sep 01 TA - Arboriculture & Urban Forestry (AUF) PG - 235--235 VI - 16 IP - 9 4099 - http://auf.isa-arbor.com/content/16/9/235.short 4100 - http://auf.isa-arbor.com/content/16/9/235.full SO - JOA1990 Sep 01; 16