Schruba, A. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Jiménez-Donaire, M. J., Bigiel, F., Leroy, A. K., Cormier, D., Gallagher, M., Usero, A., et al. (2017). Optical depth estimates and effective critical densities of dense gas tracers in the inner parts of nearby galaxy discs. Monthly Notices of the Royal Astronomical Society, 466(1), 49-62. doi:10.1093/mnras/stw2996.