%0 Journal Article %A L.C. Chadwick %T Activities Of the Ctla %D 1978 %R 10.48044/jauf.1978.029 %J Arboriculture & Urban Forestry (AUF) %P 121-124 %V 4 %N 6 %U https://auf.isa-arbor.com/content/isa/4/6/121.full.pdf