Зведений каталог бібліотек Харкова
533.6T30 Technical Report of the Aeronautical Research Committee for the Year 1920-1921 (With Appendices) [Текст] : General questions, Airships and Model Aeroplane Research. — London : Majesty's Stationery Office, 1924. — 428 p.
- Теми документа