Herschel observations of deuterated water towards Sgr B2(M) C. Comito, P. Schilke, R. Rolffs, D.C. Lis, E.A. Bergin and the HEXOS team EAS Publications Series, 52 (2011) 283-284 Published online: 25 November 2011 DOI: 10.1051/eas/1152048