Não informado. (2014). Progress in the Science and Technology of the Rare Earths. Pergamon Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Progress in the Science and Technology of the Rare Earths. Oxford, Inglaterra: Pergamon Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Progress in the Science and Technology of the Rare Earths. Pergamon Press, 2014.
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