German Helicopters
Among the makers of these unusual aircraft were Focke-Wulf, Flettner and Wiener-Naustädter.
Auteur | | Heinz J. Nowarra |
Taal | | Engels |
Type | | Paperback |
Categorie | | Mens & Maatschappij |
Auteur | | Heinz J. Nowarra |
Taal | | Engels |
Type | | Paperback |
Categorie | | Mens & Maatschappij |