Metallicity dependence of the CO-to-H2 and the [CI]-to-H2 conversion factors in galaxies Thomas G. Bisbas, Zhi-Yu Zhang, Maria-Christina Kyrmanidou, Gan Luo, Yinghe Zhao, Theodoros Topkaras, Xue-Jian Jiang, Donghui Quan and Di Li A&A, 697 (2025) A115 Published online: 19 May 2025 DOI: 10.1051/0004-6361/202554067