Projekt 641B (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Projekt 641B" in Czech language version.

refsWebsite

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1web.archive.org

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web.archive.org

Project 641B Tango class [online]. GlobalSecurity.org, rev. 2011-07-11 [cit. 2011-12-01]. Dostupné v archivu pořízeném dne 2011-02-11. (anglicky)