Sound power levels of noise sources. Part 4, Engineering methods for determination of sound power levels for sources in free-field conditions over a reflecting plane.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
British Standards Institution,
1981..
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| Edition: | 1st revision. |
| Series: | British standard Part 4: 1981 ;
4196: ISO 1981 ; 3744: |
| Subjects: |
| Item Description: | Pierced for binder. |
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| Physical Description: | 26 p. : ill. ; 30 cm. |
| ISBN: | 058011662X |