Civil rotorcraft directory . Comprehensive list of the world's rotorcraft
Flight international ; 157 , 4711
2000
Aufsatz (Zeitschrift)
Englisch
Welt , Zeitschrift , Luftverkehr , Mechanik , Luftfahrt
Directory - Civil rotorcraft from A to Z listed by manufacturer
Online Contents | 2002
Comprehensive rotorcraft analysis methods
NTRS | 1988
|Comprehensive Rotorcraft Analysis Methods
NTIS | 1988
|Rotorcraft controls and rotorcraft including such rotorcraft controls
Europäisches Patentamt | 2018
|