Não informado. (1949). Japan science review. Union of Engineering Societies of Japan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Japan Science Review. Tokyo: Union of Engineering Societies of Japan, 1949.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Japan Science Review. Union of Engineering Societies of Japan, 1949.
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