TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 147 LP - 147 DO - 10.48044/joa.1988.14.6.147 VL - 14 IS - 6 A2 - , Y1 - 1988/06/01 UR - http://auf.isa-arbor.com/content/14/6/147.abstract ER -