P., H. Checking of "Decca" Pattern of French Chain on Chart No. 3033 ter, From Lorient to the Gironde. The International Hydrographic Review, [S. l.], n. 1, 2018. Disponível em: https://journals.lib.unb.ca/index.php/ihr/article/view/26755. Acesso em: 20 may. 2025.