Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kikuchi Yoshimitsu,The 1st World Congress on Ultrasonic Diagnostics in Medicine (Vienna),THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN,03694232,Acoustical Society of Japan,1970,26,5,235-239,https://cir.nii.ac.jp/crid/1390282681541975680,https://doi.org/10.20697/jasj.26.5_235