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On Extragalactic Protonated Acetylene
S. Muller, R. Le Gal, E. Roueff, J. H. Black, A. Faure, M. Guélin, A. Omont, M. Gérin, F. Combes, and S. Aalto
reported on the
Protonated Acetylene in the //z// = 0.89 Molecular Absorber toward PKS 1830−211
Astron. Astrophys. 683, (2024) Art. No. A62.