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) UMEZAWA Taku and AOKI Shuji and NAKAZAWA Takakiyo and MORIMOTO Shinji,A High-precision Measurement System for Carbon and Hydrogen Isotopic Ratios of Atmospheric Methane and Its Application to Air Samples Collected in the Western Pacific Region,気象集誌. 第2輯,00261165,公益社団法人 日本気象学会,2009,87,3,365-379,https://cir.nii.ac.jp/crid/1390282681481914752,https://doi.org/10.2151/jmsj.87.365