TY - JOUR T1 - The Long Island Lighting Company Productivity Incentive Program For Tree Trimming JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 42 LP - 44 DO - 10.48044/jauf.1979.009 VL - 5 IS - 2 AU - Thomas F. David Y1 - 1979/02/01 UR - http://auf.isa-arbor.com/content/5/2/42.abstract ER -