PT - JOURNAL ARTICLE ED - , TI - Abstracts AID - 10.48044/joa.1988.14.2.51 DP - 1988 Feb 01 TA - Arboriculture & Urban Forestry (AUF) PG - 51--51 VI - 14 IP - 2 4099 - http://auf.isa-arbor.com/content/14/2/51.short 4100 - http://auf.isa-arbor.com/content/14/2/51.full SO - JOA1988 Feb 01; 14