Malmquist, L. (2015) « Distance Keeping and Frequency Synchronization in Swedish Hydrographic Surveying (Parallel Sounding) — 1972 », The International Hydrographic Review, 50(1). Disponible à: https://journals.lib.unb.ca/index.php/ihr/article/view/23838 (Consulté le: 18 juillet 2024).