| 000 | 00460pam a2200145a 44500 | ||
|---|---|---|---|
| 082 |
_aNASA _bCR-1373 |
||
| 100 | _aFeder,Ernest | ||
| 245 | 1 | _aANALYTICAL AND EXPERIMENTAL STUDIES FOR PREDICTING NOISE ATTENUATION IN ACOUSTICALLY TREATED DUCTS FOR TURBOFAN ENGINES | |
| 260 |
_a _bNasa, Washington, D.C. _c1969 |
||
| 300 | _a99 | ||
| 500 | _aBound With Nasa Cr-1371-1372,1374-1380 | ||
| 700 | _aDean Iii,Lee Wallace | ||
| 964 | _gCIRC | ||
| 997 | _aTR13352 C | ||
| 999 |
_c398846 _d398846 |
||