TY - JOUR T1 - Have You Really Looked At Trees? JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 49 LP - 50 DO - 10.48044/jauf.1979.011 VL - 5 IS - 3 AU - Clarence E. Lewis Y1 - 1979/03/01 UR - http://auf.isa-arbor.com/content/5/3/49.abstract N2 - ER -