Herschel/HIFI observations of CO, H2O and NH3 in Monoceros R2 P. Pilleri, A. Fuente, J. Cernicharo, V. Ossenkopf, O. Berné, M. Gerin, J. Pety, J. R. Goicoechea, J. R. Rizzo, J. Montillaud et al. (5 more) A&A, 544 (2012) A110 Published online: 08 August 2012 DOI: 10.1051/0004-6361/201118481