Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kuga Shinichi,14) ANALYSIS OF NOISE ATTENUATION FROM SOME TYPICAL SHAPE NOISE SOURCES THAT ARE A GATHERING OF NON-DIRECTIONAL POINT SOURCES,Transactions of the Architectural Institute of Japan,03871185,Architectural Institute of Japan,1961,67,0,97-104,https://cir.nii.ac.jp/crid/1390282680547258624,https://doi.org/10.3130/aijsaxx.67.0_97