PT - JOURNAL ARTICLE AU - R.C. Widdicombe AU - B. Carlisle TI - Geographic Information and Global Positioning Systems for Tree Management AID - 10.48044/jauf.1999.024 DP - 1999 May 01 TA - Arboriculture & Urban Forestry (AUF) PG - 175--178 VI - 25 IP - 3 4099 - http://auf.isa-arbor.com/content/25/3/175.short 4100 - http://auf.isa-arbor.com/content/25/3/175.full SO - JOA1999 May 01; 25