TY  - BOOK
AU  - Sternfeld, Harry
AU  - Hinterkeuser, Ernest G. 
AU  - Heckman, Roy B.
AU  - Davis, Jerry
TI  - ACCEPTABILITY OF VTOL AIRCRAFT NOISE DETERMINED BY ABSOLUTE SUBJECTIVE TESTING[NASA CR-2043]
U1  - NASA 
PY  - 1972///
CY  - Washington, D. C.
PB  - NASA
KW  - Aircraft noise
KW  - VTOL noise
N1  - Bound With NASA CR-2041-45( Bound Acc. No. 101576)
ER  -