TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 171 LP - 171 DO - 10.48044/joa.1985.11.6.171 VL - 11 IS - 6 A2 - , Y1 - 1985/06/01 UR - http://auf.isa-arbor.com/content/11/6/171.abstract N2 - ER -