TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 124 LP - 124 DO - 10.48044/joa.1988.14.5.124 VL - 14 IS - 5 A2 - , Y1 - 1988/05/01 UR - http://auf.isa-arbor.com/content/14/5/124.abstract ER -