TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 51 LP - 51 DO - 10.48044/joa.1988.14.2.51 VL - 14 IS - 2 A2 - , Y1 - 1988/02/01 UR - http://auf.isa-arbor.com/content/14/2/51.abstract ER -