| 000 | 00426pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aNASA _bTN D-1239 |
||
| 100 | _aO'Bryan,Thomas C | ||
| 245 | 1 | _aAN EXPERIMENTAL STUDY OF THE EFFECT OF DOWNWASH FROM A TWIN-PROPELLER VTOL AIRCRAFT ON SEVERAL TYPES OF GROUND SURFACES | |
| 260 |
_a _bNasa, Washington, D.C. _c1962 |
||
| 300 | _a26 | ||
| 500 | _aBound With Nasa Tn D-1231-1238,1240 | ||
| 964 | _gCIRC | ||
| 997 | _aTR13008 C | ||
| 999 |
_c399033 _d399033 |
||