Aripă delta (Romanian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Aripă delta" in Romanian language version.

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books.google.com

Ford, Roger (2000). Germany's secret weapons in World War II (ed. 1. publ.). Osceola, WI: MBI Publ. p. 36. ISBN 0-7603-0847-0.
"New Triangle Plane Is Tailless", December 1931, Popular Science article and photo of Delta I at bottom of page 65
Madelung, Ernst Heinrich Hirschel, Horst Prem, Gero (2004). Aeronautical research in Germany : from Lilienthal until today (ed. [American ed.].). Berlin: Springer. ISBN 3-540-40645-X.
Wohlfahrt, Karl Nickel ; Michael (1990). Schwanzlose flugzeuge : ihre auslegung und ihre eigenschaften (în German). Basel: Birkhauser Verlag. pp. 577–578. ISBN 3-7643-2502-X. Accesat în 13 februarie 2011. [Lippisch Delta I and Horten H I] Both these aircraft shown, how not to do it.

Bolesław Orłowski, Technology and Culture, Vol. 14, No. 3 (Jul., 1973), pp. 461-473, JSTOR

„Corad Haas Raketenpionier in Siebenbürgen”. Beruehmte Siebenbuerger Sachsen. Siebenbürgen und die Siebenbürger Sachsen im Internet. de

„Uranos.org.pl”. Arhivat din original la 22 iunie 2006. Accesat în 16 august 2012.

„Uranos.org.pl”. Arhivat din original la 22 iunie 2006. Accesat în 16 august 2012.
New Rocket Guide Arhivat în 29 iunie 2011, la Wayback Machine., NASA