Não informado. (1960). Quarterly Report of the Railway Technical Research Institute. Railway Technical Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Report of the Railway Technical Research Institute. Kokubunji, Japão: Railway Technical Research Institute, 1960.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Report of the Railway Technical Research Institute. Railway Technical Research Institute, 1960.
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