Atomic carbon in PSS 2322+1944, a quasar at redshift J. Pety, A. Beelen, P. Cox, D. Downes, A. Omont, F. Bertoldi and C. L. CarilliA&A, 428 3 (2004) L21-L24DOI: https://doi.org/10.1051/0004-6361:200400096