PT - JOURNAL ARTICLE ED - , TI - Abstract AID - 10.48044/joa.1988.14.12.297 DP - 1988 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 297--297 VI - 14 IP - 12 4099 - http://auf.isa-arbor.com/content/14/12/297.short 4100 - http://auf.isa-arbor.com/content/14/12/297.full SO - JOA1988 Dec 01; 14