TY - JOUR T1 - Abstract JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 108 LP - 108 DO - 10.48044/joa.1988.14.4.108 VL - 14 IS - 4 A2 - , Y1 - 1988/04/01 UR - http://auf.isa-arbor.com/content/14/4/108.abstract ER -