지구의 나이 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "지구의 나이" in Korean language version.

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doi.org

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harvard.edu

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nih.gov

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scientificamerican.com

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web.archive.org

wisc.edu

geology.wisc.edu

  • Valley, John W.; Peck, William H.; Kin, Elizabeth M. (1999). “Zircons Are Forever” (PDF). 《The Outcrop, Geology Alumni Newsletter》. University of Wisconsin-Madison. 34–35쪽. 2009년 2월 26일에 원본 문서 (PDF)에서 보존된 문서. 2008년 12월 22일에 확인함. 

worldcat.org