ISBN 9781935881674 books & textbook
August Euler & His Airplanes 1908 – 1920 Volume 1: A Centennial Perspective on Great War Airplanes (Great War Aviation Centennial Series)
Düsing, Michael Täger, Dr. Hannes
Aeronaut Books /2018-10-23 Paperback / 206 Pages
isbn-10: 1935881671 / isbn-13: 9781935881674
