Старост Земље (Serbian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Старост Земље" in Serbian language version.

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books.google.com

  • Boltwood, B. B. (1907). „On the ultimate disintegration products of the radio-active elements. Part II. The disintegration products of uranium”. American Journal of Science. 23 (134): 77—88. doi:10.2475/ajs.s4-23.134.78. 
    For the abstract, see: Chemical Abstracts Service, American Chemical Society (1907). Chemical Abstracts. New York, London: American Chemical Society. стр. 817. Приступљено 19. 12. 2008. 

doi.org

harvard.edu

adsabs.harvard.edu

nih.gov

ncbi.nlm.nih.gov

usgs.gov

pubs.usgs.gov

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. стр. 34—35. Приступљено 22. 12. 2008. 

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