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L. W. Hegvold
发表
A 1:8 scale model auditor
L. W. Hegvold, 1971 .
The sound absorption of an audience on unupholstered seating
L. W. Hegvold, 1971 .
Sound Absorption of an Audience on Unupholstered Seating
L. W. Hegvold, 1971 .