Split up into:Journal of Oceanography. Springer: Tokyo; London; Dordrecht; Boston. ISSN 0916-8370; e-ISSN 1573-868X,
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Umi no Kenkyu. Nihon Kaiyō Gakkai: Tokyo. ISSN 0916-8362; e-ISSN 2186-3105,
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Also continues as:Umi no Kenkyu. Nihon Kaiyō Gakkai: Tokyo. ISSN 0916-8362; e-ISSN 2186-3105,
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