Radiative and mechanical feedback into the molecular gas of NGC 253 M. J. F. Rosenberg, M. V. Kazandjian, P. P. van der Werf, F. P. Israel, R. Meijerink, A. Weiß, M. A. Requena-Torres and R. Güsten A&A, 564 (2014) A126 Published online: 17 April 2014 DOI: 10.1051/0004-6361/201323109