著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Machida,Worldwide measurements of atmospheric CO2 and other trace gas species using commercial airlines,Journals. Atmospheric. org.,,,2008,25,,1744,https://cir.nii.ac.jp/crid/1370850475218378243,