著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Taiki KATSUMATA and Koji MATSUOKA,Report and highlights of the dedicated sighting surveys in the western North Pacific Ocean in 2021,Technical reports of the Institute of Cetacean Research,24336084,Tokyo : Institute of Cetacean Research,2022-12,,6,36-45,https://cir.nii.ac.jp/crid/1520577215732069376,