SIMONS, Gary F. Two centuries of spreading language loss. Proceedings of the Linguistic Society of America, [S. l.], v. 4, n. 1, p. 27:1–12, 2019. DOI: 10.3765/plsa.v4i1.4532. Disponível em: https://journals.linguisticsociety.org/proceedings/index.php/PLSA/article/view/4532.. Acesso em: 7 oct. 2025.