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) Yoshiyuki Yajima and Kazuo Sorai and Yusuke Miyamoto and Kazuyuki Muraoka and Nario Kuno and Hiroyuki Kaneko and Tsutomu T Takeuchi and Atsushi Yasuda and Takahiro Tanaka and Kana Morokuma-Matsui and Masato I N Kobayashi,CO Multi-line Imaging of Nearby Galaxies (COMING). IX. 12CO(J = 2–1)/12CO(J = 1–0) line ratio on kiloparsec scales,Publications of the Astronomical Society of Japan,0004-6264,Oxford University Press (OUP),2021-02-11,73,2,257-285,https://cir.nii.ac.jp/crid/1360009142544496640,https://doi.org/10.1093/pasj/psaa119