Hirth Motoren (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Hirth Motoren" in Catalan language version.

refsWebsite

Global rank Catalan rank

5^th place

5^th place

1hirthengines.com

low place

low place

hirthengines.com

«Hirth Engines - Welcome to the home of two-stroke engines» (en anglès britànic). [Consulta: 8 abril 2020].

worldcat.org

Gunston, Bill.. World encyclopedia of aero engines : from the pioneers to the present day. 5th ed. Stroud: Sutton, 2006. ISBN 0-7509-4479-X.
Kay, Antony L.. German jet engine and gas turbine development, 1930-1945. Shrewsbury: Airlife, 2002. ISBN 1-84037-294-X.