PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1975.10.1.198 DP - 1975 Oct 01 TA - Arboriculture & Urban Forestry (AUF) PG - 198--198 VI - 1 IP - 10 4099 - http://auf.isa-arbor.com/content/1/10/198.short 4100 - http://auf.isa-arbor.com/content/1/10/198.full SO - JOA1975 Oct 01; 1