Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tanaka Hikari and Masuda Kiyoshi and Tomitaka Ryu,Latest technology for reducing floor impact sound: Vibration control of concrete slabs or finishing ceilings and reducing resonance under double floors,THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN,0369-4232,Acoustical Society of Japan,2022-11-01,78,11,680-685,https://cir.nii.ac.jp/crid/1390012801498986752,https://doi.org/10.20697/jasj.78.11_680