TY - JOUR T1 - Part II JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 67 LP - 68 DO - 10.48044/joa.1986.12.3.67 VL - 12 IS - 3 AU - G. Dienst Philipp Y1 - 1986/03/01 UR - http://auf.isa-arbor.com/content/12/3/67.abstract ER -