TY - JOUR T1 - Activities Of the Ctla JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 121 LP - 124 DO - 10.48044/jauf.1978.029 VL - 4 IS - 6 AU - L.C. Chadwick Y1 - 1978/06/01 UR - http://auf.isa-arbor.com/content/4/6/121.abstract ER -