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| 001 | 011427667 | ||
| 003 | MiAaHDL | ||
| 005 | 20141013010000.0 | ||
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| 007 | cr bn ---auaua | ||
| 008 | 821223s1981 dcua b f000 0 eng d | ||
| 035 | ⊔ | ⊔ | ‡asdr-uiuc6369645 |
| 035 | ⊔ | ⊔ | ‡a(OCoLC)9078757 |
| 040 | ⊔ | ⊔ | ‡aGPO ‡cGPO ‡dABC |
| 049 | ⊔ | ⊔ | ‡aUIUU |
| 050 | ⊔ | 4 | ‡aTL521.3 ‡b.N18 no. 1833 |
| 074 | ⊔ | ⊔ | ‡a830-H-15 (microfiche) |
| 086 | 0 | ⊔ | ‡aNAS 1.60:1833 |
| 100 | 1 | ⊔ | ‡aPowell, Clemans A. |
| 245 | 1 | 0 | ‡aSubjective field study of response to impulsive helicopter noise / ‡cClemans A. Powell. |
| 260 | ⊔ | ⊔ | ‡aWashington, D.C. : ‡bNational Aeronautics and Space Administration, Scientific and Technical Information Branch ; ‡a[Springfield, Va. : ‡bFor sale by the National Technical Information Service], ‡c1981. |
| 300 | ⊔ | ⊔ | ‡a40 p. : ‡bill. ; ‡c28 cm. |
| 490 | ⊔ | 0 | ‡aNASA technical paper ; ‡v1833 |
| 500 | ⊔ | ⊔ | ‡a"April 1981." |
| 500 | ⊔ | ⊔ | ‡a"Langley Research Center." |
| 504 | ⊔ | ⊔ | ‡aIncludes bibliographical references. |
| 538 | ⊔ | ⊔ | ‡aMode of access: Internet. |
| 650 | ⊔ | 0 | ‡aHelicopters ‡xNoise. |
| 710 | 1 | ⊔ | ‡aUnited States. ‡bNational Aeronautics and Space Administration. ‡bScientific and Technical Information Branch. |
| 710 | 2 | ⊔ | ‡aLangley Research Center. |
| CID | ⊔ | ⊔ | ‡a011427667 |
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| CAT | ⊔ | ⊔ | ‡aSDR-UIUC ‡dUNKNOWN ‡lloader.pl-003-020 |
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| 974 | ⊔ | ⊔ | ‡bUIU ‡cUIUC ‡d20250101 ‡sgoogle ‡uuiug.30112106570796 ‡y1981 ‡rpd ‡qbib ‡tUS fed doc--NTIS: pubdate < 2019 |