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Възраст на Земята (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Възраст на Земята" in Bulgarian language version.

refsWebsite
Global rank Bulgarian rank
1usgs.gov
167th place
188th place

usgs.gov

pubs.usgs.gov

  • Age of the Earth // U.S. Geological Survey, 1997. Посетен на 10 януари 2006.