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) Koji Tojo and Ryuichiro Machida,Egg Structures of Japanese Ephemerid Species(Ephemeroptera),Entomological science,13438786,Tokyo : Entomological Society of Japan,1998-12,1,4,573-579,https://cir.nii.ac.jp/crid/1520573329860620800,