Gunn, G. (2014). Critical metals handbook. John Wiley & Sons.
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Tohutoru Kātū Chicago (17th ed.)
Gunn, Gus. Critical Metals Handbook. Hoboken, NJ: John Wiley & Sons, 2014.
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Tohutoro MLA (9th ed.)
Gunn, Gus. Critical Metals Handbook. John Wiley & Sons, 2014.
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