RT Journal Article SR Electronic T1 Canker Diseases of Trees and Shrubs JF Arboriculture & Urban Forestry (AUF) JO JOA FD International Society of Arboriculture SP 47 OP 48 DO 10.48044/jauf.1978.011 VO 4 IS 2 A1 Holmes, Francis W. YR 1978 UL http://auf.isa-arbor.com/content/4/2/47.abstract AB