MARTINEC, Radan. Nascent and Mature Semiotic Systems. Linguistics and the Human Sciences, [S. l.], v. 3, n. 3, p. 355–392, 2010. DOI: 10.1558/lhs.v3i3.355. Disponível em: https://journal.equinoxpub.com/LHS/article/view/12878.. Acesso em: 16 jun. 2024.