PT - JOURNAL ARTICLE AU - Pirk, Herb TI - Our Part in the Environmental Movement AID - 10.48044/jauf.1991.001 DP - 1991 Jan 01 TA - Arboriculture & Urban Forestry (AUF) PG - 1--7 VI - 17 IP - 1 4099 - http://auf.isa-arbor.com/content/17/1/1.short 4100 - http://auf.isa-arbor.com/content/17/1/1.full