Infrared action spectroscopy of doubly charged PAHs and their contribution to the aromatic infrared bandsS. Banhatti, J. Palotás, P. Jusko, B. Redlich, J. Oomens, S. Schlemmer and S. BrünkenA&A, 648 (2021) A61DOI: https://doi.org/10.1051/0004-6361/202039744