Before Helicopter Association of Great Britain, indexed in Engineering Index 1952 p 471, from Aeroplane Nov 14 1952. (see also Am Helicopter v 29 n 1, 2, 3 Dec 1952 p 6-9, 25, Jan 1953 p 10-3, 17, Feb p 9-12, 14-6)
Commercial future of helicopters
Flight
Flight ; 62 , n 2286
1952
3 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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