Detection of chloronium and measurement of the 35Cl/37Cl isotopic ratio at z = 0.89 toward PKS 1830–211
S. Muller, J. H. Black, M. Guélin, C. Henkel, F. Combes, M. Gérin, S. Aalto, A. Beelen, J. Darling, C. Horellou, S. Martín, K. M. Menten, Dinh V-Trung and M. A. Zwaan
