Anton Flettner (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Anton Flettner" in Catalan language version.

refsWebsite

Global rank Catalan rank

5^th place

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8,765^th place

low place

1flettner.co.uk

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flettner.co.uk

«About - Flettner Ventilator» (en anglès americà). [Consulta: 7 abril 2020].

helis.com

«Flettner» (en anglès). [Consulta: 3 abril 2020].

worldcat.org

Lepage, Jean-Denis.. Aircraft of the Luftwaffe, 1935-1945 : an illustrated guide. Jefferson, N.C.: McFarland & Co, 2009. ISBN 978-0-7864-5280-4.
Hirschel, Ernst Heinrich.. Aeronautical Research in Germany : From Lilienthal until Today. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. ISBN 978-3-642-18484-0.
Walker, Fred M., 1936-. Ships & shipbuilders : pioneers of design and construction. ISBN 978-1-78383-040-4.
Ford, Roger, 1947-. Germany's secret weapons of World War II. ISBN 978-1-909160-56-9.