Noise characteristics of eight helicopters : final report
1977
XIV, 153 S.
Report
Englisch
RVK: | ZO 7400 |
Flight Operations Noise Tests of Eight Helicopters
NTIS | 1985
|Noise Characteristics of Height Helicopters
NTIS | 1977
|British Library Online Contents | 2002
|British Library Conference Proceedings | 2002
|