Molecular depletion times and the CO-to-H2 conversion factor in metal-poor galaxies L. K. Hunt, S. García-Burillo, V. Casasola, P. Caselli, F. Combes, C. Henkel, A. Lundgren, R. Maiolino, K. M. Menten, L. Testi and A. Weiss A&A, 583 (2015) A114 Published online: 03 November 2015 DOI: 10.1051/0004-6361/201526553