Letoun (Czech Wikipedia)

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

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  • Telegram from Orville Wright in Kitty Hawk, North Carolina, to His Father Announcing Four Successful Flights, 1903 December 17 [online]. 1903-12-17 [cit. 2020-07-24]. Dostupné v archivu pořízeném dne 2020-07-21. (anglicky)