TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 81 LP - 81 DO - 10.48044/joa.1979.5.4.81 VL - 5 IS - 4 A2 - , Y1 - 1979/04/01 UR - http://auf.isa-arbor.com/content/5/4/81.abstract N2 - ER -