Não informado. (1949). Science reports of the Research Institutes. Tohoku University, Research Institutes.
Citace podle Chicago (17th ed.)Não informado. Science Reports of the Research Institutes. Sendai, Japão: Tohoku University, Research Institutes, 1949.
Citace podle MLA (8th ed.)Não informado. Science Reports of the Research Institutes. Tohoku University, Research Institutes, 1949.
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