Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sugi Chosuke,Analysis of Catenoidal Solid-Horn and its Design Method,THE JOURNAL OF THE ACOUSTICAL SOCIETY OF JAPAN,03694232,Acoustical Society of Japan,1962,18,2,54-64,https://cir.nii.ac.jp/crid/1390282681541227264,https://doi.org/10.20697/jasj.18.2_54