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) WHALEN SC,Interannual variations in tundra methane emission : a 4-year time series at fixed sites,Global Biogeochem. Cycles,,,1992,5,,261-273,https://cir.nii.ac.jp/crid/1574231874964854144,