High abundance ratio of 13CO to C18O toward photon-dominated regions in the Orion-A giant molecular cloud
Yoshito Shimajiri, Yoshimi Kitamura, Masao Saito, Munetake Momose, Fumitaka Nakamura, Kazuhito Dobashi, Tomomi Shimoikura, Hiroyuki Nishitani, Akifumi Yamabi, Chihomi Hara, Sho Katakura, Takashi Tsukagoshi, Tomohiro Tanaka and Ryohei Kawabe
A&A, 564 (2014) A68
DOI: https://doi.org/10.1051/0004-6361/201322912
