| 000 | 00419pam a2200133a 44500 | ||
|---|---|---|---|
| 082 |
_aNASA _bTN D-7719 |
||
| 100 | _aBaumeister,Kenneth J | ||
| 245 | 1 | _aANALYSIS OF SOUND PROPAGATION IN DUCTS USING THE WAVE ENVELOPE CONCEPT | |
| 260 |
_a _bNasa, Washington, D.C. _c1974 |
||
| 300 | _a38 | ||
| 500 | _aBound With Nasa Tn D-7701-7718,7720 Lack No.7702-7704,7708,7711-7715,7717 | ||
| 964 | _gCIRC | ||
| 997 | _aTR14985 C | ||
| 999 |
_c399643 _d399643 |
||