FIHNRICH, Heinz. Zur Rekonstruktion der gemeinkartwelischen Sibilanten. Georgica, [S. l.], v. 5, p. 38–42, 1982. Disponível em: https://georgica.journals.humanities.tsu.ge/index.php/georgica/article/view/9960. Acesso em: 15 mar. 2026.