The First British Helicopters: The story of how the Weir Group developed the first successful helicopters in the UK
Helicopter international ; 18 , 2 ; 59-64
1994
Article (Journal)
Unknown
Weir Autogiros and Helicopters
British Library Conference Proceedings | 2010
|Engineering Index Backfile | 1944
Engineering Index Backfile | 1944
Westland's all-British helicopters
Engineering Index Backfile | 1964
|Helicopters: Featuring current-production helicopters
Online Contents | 1995