KULL, K. Semiosphere and a dual ecology: Paradoxes of communication. Sign Systems Studies, [S. l.], v. 33, n. 1, p. 175–189, 2005. DOI: 10.12697/SSS.2005.33.1.07. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2005.33.1.07. Acesso em: 20 apr. 2024.