PT - JOURNAL ARTICLE AU - John Ball TI - Marketing Arboricultural Services AID - 10.48044/jauf.1992.041 DP - 1992 Jul 01 TA - Arboriculture & Urban Forestry (AUF) PG - 205--208 VI - 18 IP - 4 4099 - http://auf.isa-arbor.com/content/18/4/205.short 4100 - http://auf.isa-arbor.com/content/18/4/205.full SO - JOA1992 Jul 01; 18