|  |  | Decca Navigator Mark 19 : operating Instructions | Manual/Sivil | 20-B-4a Decca, Technical Publications Department /  - Surrey, UK : The Decca Navigator Company Limited, 1971. [Manual/Sivil]. - 23 s. - Språk: Engelsk
 | Decca, Technical Publications Department | 1971 | 
				|  |  | The Observer's Book of Aircraft : 1961 Edition | Bøker | 387.73 Gre Green, William /  - London : Frederick Warne & Co. Ltd., 1961. [Bøker]. - 288 s. (The Observer's Pocket Series : Aircraft) - Språk: Engelsk
 | Green, William | 1961 |