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Biosféra (Slovak Wikipedia)

Analysis of information sources in references of the Wikipedia article "Biosféra" in Slovak language version.

refsWebsite
Global rank Slovak rank
1nasa.gov
75th place
60th place
1web.archive.org
1st place
8th place
1harvard.edu
18th place
185th place

harvard.edu

cfa.harvard.edu

  • "Earth: A Borderline Planet for Life?". Harvard-Smithsonian Center for Astrophysics. 2008 [2]

nasa.gov

astrobiology.arc.nasa.gov

  • "Goal 1: Understand the nature and distribution of habitable environments in the Universe". Astrobiology: Roadmap. NASA. [1] Archivované 2007-04-10 na Wayback Machine

web.archive.org

  • "Goal 1: Understand the nature and distribution of habitable environments in the Universe". Astrobiology: Roadmap. NASA. [1] Archivované 2007-04-10 na Wayback Machine