Não informado. WELDING RESEARCH COUNCIL YEARBOOK. Welding Research Council.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. WELDING RESEARCH COUNCIL YEARBOOK. New York: Welding Research Council.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. WELDING RESEARCH COUNCIL YEARBOOK. Welding Research Council.
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