| 000 | 00564 a2200241 4500 | ||
|---|---|---|---|
| 001 | 297442 | ||
| 020 | _a | ||
| 041 | _aeng | ||
| 080 | _aLNASA CR 3138 : 1979 | ||
| 245 | _aNonlinear effects on sound propagation through high subsonic mach number flows in variable area ducts | ||
| 250 | _a | ||
| 260 | _aWashington, D.C. | ||
| 260 | _bNASA | ||
| 260 | _c1979 | ||
| 300 | _a83 p. | ||
| 300 | _c | ||
| 856 | _u | ||
| 490 | _aNASA CR 3138 : 1979 | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aDuct acoustics, Variable area ducts, Nonlinear theory | ||
| 942 | _cPP | ||
| 942 | _2UDC | ||
| 999 |
_c251738 _d251738 |
||