Heating and cooling of the neutral ISM in the NGC 4736 circumnuclear ring T. P. R. van der Laan, L. Armus, P. Beirao, K. Sandstrom, B. Groves, E. Schinnerer, B. T. Draine, J. D. Smith, M. Galametz, M. Wolfire et al. (5 more) A&A, 575 (2015) A83 Published online: 27 February 2015 DOI: 10.1051/0004-6361/201425402