TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) SP - 249 LP - 249 DO - 10.48044/joa.1982.8.9.249 VL - 8 IS - 9 A2 - , Y1 - 1982/09/01 UR - http://auf.isa-arbor.com/content/8/9/249.abstract ER -