University of Minnesota: Department of Plant Pathology2007-08-102007-08-101944-04Aurora Sporealis, 1944: vol. 20(2)https://hdl.handle.net/11299/723Alumni news magazine of the University of Minnesota Department of Plant Pathology.en-USalumniplant pathologynewsA. H. Reginald BullerAurora Sporealis Vol.20(2)Newsletter or Bulletin