Physical conditions of the molecular gas in metal-poor galaxies L. K. Hunt, A. Weiß, C. Henkel, F. Combes, S. García-Burillo, V. Casasola, P. Caselli, A. Lundgren, R. Maiolino, K. M. Menten and L. Testi A&A, 606 (2017) A99 Published online: 20 October 2017 DOI: 10.1051/0004-6361/201731000