TY - JOUR T1 - Limitations Of Chemical Injection to Control Dutch Elm Disease JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 127 LP - 129 DO - 10.48044/jauf.1977.033 VL - 3 IS - 7 AU - Richard J. Campana Y1 - 1977/07/01 UR - http://auf.isa-arbor.com/content/3/7/127.abstract N2 - ER -