PT - JOURNAL ARTICLE AU - Johns, Hyland R. AU - Holewinski, Dennis E. TI - How to Develop or Improve Your Line Clearing Program AID - 10.48044/jauf.1981.076 DP - 1981 Dec 01 TA - Arboriculture & Urban Forestry (AUF) PG - 329--332 VI - 7 IP - 12 4099 - http://auf.isa-arbor.com/content/7/12/329.short 4100 - http://auf.isa-arbor.com/content/7/12/329.full