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| Utgitt
| Trondheim : Institutt for akustikk, Norges tekniske høgskole , 1968
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| Omfang
| 2 bl., 22 pag.bl., bl. 7 : ill.
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| Opplysninger
| "The Japanese version of this paper appeared in Journal of Acoustical Society, Japan, vol. 24, no. 1, January, 1968, p. 18-26."
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| Emner
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| Dewey
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