PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1988.14.4.108 DP - 1988 Apr 01 TA - Arboriculture & Urban Forestry (AUF) PG - 108--108 VI - 14 IP - 4 4099 - http://auf.isa-arbor.com/content/14/4/108.short 4100 - http://auf.isa-arbor.com/content/14/4/108.full SO - JOA1988 Apr 01; 14