HASLAM, D. W.; PIELOU, F. A. Present State of Hydrographic Surveying of the North Sea and English Channel. The International Hydrographic Review, [S. l.], v. 62, n. 1, 2015. Disponível em: https://journals.lib.unb.ca/index.php/ihr/article/view/23477. Acesso em: 17 mai. 2024.