NESSET, Tore. Appendix 3: Chronology of Major Sounds Laws. Septentrio Educational, Tromsø, Norway, n. 1, 2015. DOI: 10.7557/8.3508. Disponível em: https://septentrio.uit.no/index.php/SapEdu/article/view/3508. Acesso em: 4 may. 2026.