TY  - BOOK
AU  - Johnson, Wayne
TI  - Rotorcraft aeromechanics
SN  - 9781107028074
U1  - 629.1323 
PY  - 2013///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Helicopters -- Aerodynamics
KW  - Rotors (Helicopters)
ER  -