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) Amano Masao and Nakahara Fumio and Hayano Azusa and Shirakihara Kunio,Abundance estimate of finless porpoises off the Pacific coast of eastern Japan based on aerial surveys,Mammal Study,13434152,日本哺乳類学会,2003,28,2,103-110,https://cir.nii.ac.jp/crid/1390282679647370752,https://doi.org/10.3106/mammalstudy.28.103