มหายุคคริปติก (Thai Wikipedia)

Analysis of information sources in references of the Wikipedia article "มหายุคคริปติก" in Thai language version.

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1books.google.com

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books.google.com

Harland, Walter Brian , et al. (1989) A Geologic Time Scale 1989 Cambridge University Press, Cambridge, UK, Fig. 1.7 on page 10

doi.org

Wilde, S. A.; Valley, J. W.; Peck, W. H.; Graham, C. M. (January 2001). "Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago". Nature. 409 (6817): 175–178. doi:10.1038/35051550. PMID 11196637.

nih.gov

pubmed.ncbi.nlm.nih.gov

Wilde, S. A.; Valley, J. W.; Peck, W. H.; Graham, C. M. (January 2001). "Evidence from detrital zircons for the existence of continental crust and oceans on the Earth 4.4 Gyr ago". Nature. 409 (6817): 175–178. doi:10.1038/35051550. PMID 11196637.