"K. Gustafson" . . . . "E." . "Karl" . . "1935" . . . "Gustafson"@fr-FR . "Karl E." . "Karl Gustafson"@nl-NL . "GUSTAFSON" . "Karl E. Gustafson"@pl-PL . "Gustafson, Karl (Karl E.)" . "KARL" . "Kent" . . "Karl Gustafson" . "K. E. Gustafson" . "Karl E. Gustafson" . . "Kent Gustafson" . "Edwin" . "K. E. Gustafson" . "グスタフソン" . "Karl E Gustafson"@en . "Karl Edwin Gustafson" . "K." . "K. Gustafson" . "Gustafson" . . "KARL GUSTAFSON" . "K. E グスタフソン" . "K. E." . . . "K. E" . . . .