Não informado. (2004). Engineering review. Engineering and Boiler House Review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Review. London: Engineering and Boiler House Review, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Engineering Review. Engineering and Boiler House Review, 2004.
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