Flight, 14 October 1960. : 619 [2023-11-10]. (原始内容存档于2015-11-17). Winter, FrankH. Ducted Fan or the World's First Jet Plane? The Coanda claim re-examined
Station, Texas: Texas A&M University Press, 1986). See also H. George Frederickson and Frank Marini: "Bureaucracy and Democracy: Essays in Honor of Dwight