Diagnosing the interstellar medium of galaxies with far-infrared emission lines - I. The [C II] 158 μm line at z ∼ 0A. F. Ramos Padilla, L. Wang, S. Ploeckinger, F. F. S. van der Tak and S. C. TragerA&A, 645 (2021) A133DOI: https://doi.org/10.1051/0004-6361/202038207