Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sone Toshio,Korea-Japan Joint Symposium on Acoustics,THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN,03694232,Acoustical Society of Japan,1992,48,2,123-125,https://cir.nii.ac.jp/crid/1390282681543951104,https://doi.org/10.20697/jasj.48.2_123