Não informado. (1963). Welding in the world. International Institute of Welding.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Welding in the World. London: International Institute of Welding, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Welding in the World. International Institute of Welding, 1963.
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