Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Uni Yoshikazu,Whale bone torii is a variation of the Western whale bone arch,Japan Cetology,18813445,The Cetology Study Group of Japan,2019,29,0,15-20,https://cir.nii.ac.jp/crid/1390282752368673664,https://doi.org/10.5181/cetology.0.29_15