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End–Ordovician extinction event (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "End–Ordovician extinction event" in Simple English language version.

refsWebsite
Global rank Simple English rank
1sciencemag.org
857th place
242nd place

sciencemag.org

news.sciencemag.org

  • Berardelli, Phil 2009. The mountains that froze the world. Science. [1]