TY - JOUR T1 - Abstracts JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 161 LP - 161 DO - 10.48044/joa.1978.4.7.161 VL - 4 IS - 7 A2 - , Y1 - 1978/07/01 UR - http://auf.isa-arbor.com/content/4/7/161.abstract N2 - ER -