Detection of HD in emission towards Sagittarius B2 E. T. Polehampton, J.-P. Baluteau, C. Ceccarelli, B. M. Swinyard and E. Caux A&A, 388 2 (2002) L44-L47 Published online: 31 May 2002 DOI: 10.1051/0004-6361:20020630