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Filtrado por: Tema Berger, Hans, 1873-1941 Eliminar la restricciónTema: Berger, Hans, 1873-1941

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  • Hans Berger

    Descripción: Photograph of Hans Berger, whose investigations led to the production of an electroencephalogram. "Triangle Volume IV No. 1 April 1959" appears at head of sheet.
    Fecha de Creacion: undated

  • Hans Berger

    Descripción: Copy of autographed photo of Hans Berger seated at his desk.
    Fecha de Creacion: undated