PT - JOURNAL ARTICLE AU - Willard L. Grubb TI - The Utility Crew Supervisor AID - 10.48044/jauf.1981.033 DP - 1981 May 01 TA - Arboriculture & Urban Forestry (AUF) PG - 139--140 VI - 7 IP - 5 4099 - http://auf.isa-arbor.com/content/7/5/139.short 4100 - http://auf.isa-arbor.com/content/7/5/139.full