RÜTING, T. History and significance of Jakob von Uexküll and of his institute in Hamburg. Sign Systems Studies, [S. l.], v. 32, n. 1/2, p. 35–72, 2004. DOI: 10.12697/SSS.2004.32.1-2.02. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2004.32.1-2.02. Acesso em: 28 mar. 2024.