Some requirements and how they might be met.
All-agricultural helicopters?
Flight
Flight ; 74 , n 2584
1958
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
The role of helicopters in agricultural aviation
TIBKAT | 1979
|Helicopters: Featuring current-production helicopters
Online Contents | 1995
Online Contents | 2007