NAKABAYASHI Shigeru, EAST ASIA HYDROGRAPHIC COMMISSION – FIFTY YEARS OF PROGRESS – From 1971 to 2021, The International Hydrographic Review, Volume 27, 2022, Pages 99-112, https://doi.org/10.58440/ihr-27-n06 (https://ihr.iho.int/articles/east-asia-hydrographic-commission-fifty-years-of-progress-from-1971-to-2021/)