PT - JOURNAL ARTICLE AU - David L. Hensley TI - Pruning — Why, When and How AID - 10.48044/jauf.1979.056 DP - 1979 Oct 01 TA - Arboriculture & Urban Forestry (AUF) PG - 239--240 VI - 5 IP - 10 4099 - http://auf.isa-arbor.com/content/5/10/239.short 4100 - http://auf.isa-arbor.com/content/5/10/239.full SO - JOA1979 Oct 01; 5