TY - JOUR T1 - Erratum JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 86 DO - 10.48044/jauf.1997.012 VL - 23 IS - 2 A2 - , Y1 - 1997/03/01 UR - http://auf.isa-arbor.com/content/23/2/86.abstract N2 - ER -