RIGGS, F. W. Delphic Language:A Problem for Authors and Indexers. Journal of Information and Knowledge, [S. l.], v. 28, n. 1, p. 18–30, 1991. DOI: 10.17821/srels/1991/v28i1/50484. Disponível em: https://srels.org/index.php/sjim/article/view/50484. Acesso em: 17 apr. 2025.