Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KARUBE Haruki,Present status of Odonata species in the Ogasawara Islands and conservation effort to preserved endangered endemic species,Japanese Journal of Limnology (Rikusuigaku Zasshi),0021-5104,The Japanese Society of Limnology,2009,70,3,239-245,https://cir.nii.ac.jp/crid/1390001204060499072,https://doi.org/10.3739/rikusui.70.239