RT Journal Article SR Electronic T1 Emerging Tree Diseases in Urban Ecosystems JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 69 OP 71 DO 10.48044/jauf.1977.019 VO 3 IS 4 A1 Charles L. Wilson YR 1977 UL http://auf.isa-arbor.com/content/3/4/69.abstract AB