William Schlumberger (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "William Schlumberger" in Czech language version.

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2web.archive.org

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web.archive.org

Schlumberger, William [online]. Chess.com, 2007-10-08 [cit. 2008-03-15]. Dostupné v archivu pořízeném dne 2011-07-08. (anglicky)
GRAY, Paul. The Man in the Automaton [online]. Time.com [cit. 2008-03-15]. Dostupné v archivu pořízeném dne 2013-08-23. (anglicky)