The Detection and Isolation of Naturally Occurring Strains of Tobacco Mosaic Virus by Electrophoresis Singer, S. J. ; Bald, J. G. ; Wildman, S. G. ; Owen, R. D. Abstract Publication: Science Pub Date: November 1951 DOI: 10.1126/science.114.2966.463 Bibcode: 1951Sci...114..463S