Interferometric observations of FeO towards Sagittarius B2 R. S. Furuya, C. M. Walmsley, K. Nakanishi, P. Schilke and R. Bachiller A&A, 409 2 (2003) L21-L24 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20031304