Sikorsky Russky Vityaz (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sikorsky Russky Vityaz" in Spanish language version.

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archive.org

King, H.F. (1969). McGraw-Hill, ed. Milestones of the Air. New York: Jane's All the World's Aircraft Publishing Company. p. 22.

Sergei Sikorsky (2007). The Sikorsky Legacy-Bolshoi Baltisky (1st edición). Arcadia Publishing. p. 27. ISBN 978-0738549958.
Page, Walter Hines; Page, Arthur Wilson (julio de 1914). «Man And His Machines: A Russian "Airbus"». The World's Work: A History of Our Time XLIV (2): 360. Consultado el 4 de agosto de 2009.

Swopes, Bryan R. «23 June 1913». This Day in Aviation. Consultado el 26 de junio de 2014.