TY  - BOOK
AU  - Law,Mrp, ,J
AU  - Williams
TI  - INFLUENCE OF HELICOPTER OPERATING CONDITIONS ON ROTOR NOISE CHARACTERISTICS AND MEASUREMENT REPEATABILITY
U1  - 629.13616 
PY  - 1982///
CY  - 
PB  - Hmso, London
KW  - Helicopters
N1  - Reprinted By Ntis
ER  -