LOTMAN, J.; CLARK, W. On the semiosphere. Sign Systems Studies, [S. l.], v. 33, n. 1, p. 205–229, 2005. DOI: 10.12697/SSS.2005.33.1.09. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2005.33.1.09. Acesso em: 29 mar. 2024.