"Bushnell" . . . "12348242"^^ . "Biologiste. - En poste au Cereal rust laboratory, Agricultural research service, U. S. Department of agriculture, University of Minnesota, St. Paul, Minnesota, USA (en 1984)" . "William Rodgers Bushnell" . . . . . . . . . . "0000000117422187" . "2013-07-26" . "Biologiste. - En poste au Cereal rust laboratory, Agricultural research service, U. S. Department of agriculture, University of Minnesota, St. Paul, Minnesota, USA (en 1984)" . "The cereal rusts. Volume I, Origins, specificity, structure and physiology / ed. by William R. Bushnell and Alan P. Roelfs, 1984. - . - LCNA (CD OCLC), 1993-03. - . -"@fr . . . . . . . . . . "William Rodgers Bushnell"@fr . . "Biologiste. - En poste au Cereal rust laboratory, Agricultural research service, U. S. Department of agriculture, University of Minnesota, St. Paul, Minnesota, USA (en 1984)"@fr . . "1993-11-16" . . . . . "2013-07-26"^^ . "VIAF" . . . "William Rodgers" .