KULL, K.; HOFFMEYER, J. Thure von Uexküll 1908–2004. Sign Systems Studies, [S. l.], v. 33, n. 2, p. 487–494, 2005. DOI: 10.12697/SSS.2005.33.2.13. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2005.33.2.13. Acesso em: 24 apr. 2024.