PT - JOURNAL ARTICLE AU - John Hendrickson TI - Staffing for the ‘90’s AID - 10.48044/jauf.1990.070 DP - 1990 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 322--325 VI - 16 IP - 12 4099 - http://auf.isa-arbor.com/content/16/12/322.short 4100 - http://auf.isa-arbor.com/content/16/12/322.full