Water in massive star-forming regions: HIFI observations of W3 IRS5 L. Chavarría, F. Herpin, T. Jacq, J. Braine, S. Bontemps, A. Baudry, M. Marseille, F. van der Tak, B. Pietropaoli, F. Wyrowski et al. (52 more) A&A, 521 (2010) L37 Published online: 01 October 2010 DOI: 10.1051/0004-6361/201015113