Instruments for Navigation at Sea, Land, Air and Outer Space | by Erik Engheim | Medium
Freedom of Navigation in the South China Sea: A Practical Guide
Freedom of Navigation in the South China Sea: A Practical Guide | Belfer Center for Science and International Affairs
2022/73 "On the United States, the UN Convention on the Law of the Sea and US Freedom of Navigation Operations" by Robert Beckman - ISEAS-Yusof Ishak Institute