Number | Date | Country | Kind |
---|---|---|---|
51-36812 | Mar 1976 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3658147 | Ho et al. | Apr 1972 | |
3827288 | Fletcher | Aug 1974 |
Entry |
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New Methods in Architectural Investigations to Evaluate The Acoustic Qualities of Concert Halls; G. Plenge, P. Lehmann, R. Wettschureck, H. Wilkens, Journal of the Acoustical Society of America, vol. 57, No. 6, pt. 1, pp. 1291-1299, Jun. 1975. |