PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1988.14.11.280 DP - 1988 Nov 01 TA - Arboriculture & Urban Forestry (AUF) PG - 280--280 VI - 14 IP - 11 4099 - http://auf.isa-arbor.com/content/14/11/280.short 4100 - http://auf.isa-arbor.com/content/14/11/280.full SO - JOA1988 Nov 01; 14