TY - JOUR T1 - Geographic Information and Global Positioning Systems for Tree Management JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 175 LP - 178 DO - 10.48044/jauf.1999.024 VL - 25 IS - 3 AU - R.C. Widdicombe AU - B. Carlisle Y1 - 1999/05/01 UR - http://auf.isa-arbor.com/content/25/3/175.abstract N2 - ER -