ALMA view of the 12C/13C isotopic ratio in starburst galaxies X. D. Tang, C. Henkel, K. M. Menten, Y. Gong, S. Martín, S. Mühle, S. Aalto, S. Muller, S. García-Burillo, S. Levshakov et al. (9 more) A&A, 629 (2019) A6 Published online: 22 August 2019 DOI: 10.1051/0004-6361/201935603