Billions and Billions (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Billions and Billions" in English language version.

refsWebsite

Global rank English rank

6^th place

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3,411^th place

2,303^rd place

1web.archive.org

1^st place

1^st place

archive.org

Sagan, Carl (1997). Billions and Billions: Thoughts on Life and Death at the Brink of the Millennium. Random House. ISBN 0-679-41160-7.

csicop.org

Carl Sagan takes questions more from his 'Wonder and Skepticism' CSICOP 1994 keynote, Skeptical Inquirer Archived December 21, 2016, at the Wayback Machine

web.archive.org

Carl Sagan takes questions more from his 'Wonder and Skepticism' CSICOP 1994 keynote, Skeptical Inquirer Archived December 21, 2016, at the Wayback Machine