Atomic carbon abundance at the centers of NGC 4945 and circinus M. Hitschfeld, M. Aravena, C. Kramer, F. Bertoldi, J. Stutzki and the NANTEN2-team EAS Publications Series, 31 (2008) 177-178 Published online: 04 October 2008 DOI: 10.1051/eas:0831035