ECO, U. Animal language before Sebeok. Sign Systems Studies, [S. l.], v. 46, n. 2/3, p. 365–377, 2018. DOI: 10.12697/SSS.2018.46.2-3.09. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2018.46.2-3.09. Acesso em: 2 dec. 2024.