PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1988.14.3.73 DP - 1988 Mar 01 TA - Arboriculture & Urban Forestry (AUF) PG - 73--73 VI - 14 IP - 3 4099 - http://auf.isa-arbor.com/content/14/3/73.short 4100 - http://auf.isa-arbor.com/content/14/3/73.full SO - JOA1988 Mar 01; 14