,. Insertion on Charts of Echo Soundings and the Calibration of Echo Sounding Machines (Replies to Circular Letter 3-H of 1933). The International Hydrographic Review, [S. l.], n. 1, 2018. Disponível em: https://journals.lib.unb.ca/index.php/ihr/article/view/27679. Acesso em: 18 apr. 2025.