TY - JOUR T1 - Letters JF - Arboriculture & Urban Forestry (AUF) SP - 75 LP - 77 DO - 10.48044/jauf.2012.012 VL - 38 IS - 2 A2 - , Y1 - 2012/03/01 UR - http://auf.isa-arbor.com/content/38/2/75.abstract N2 - ER -