First VLTI/MIDI observations of a Be star: Alpha Arae O. Chesneau, A. Meilland, T. Rivinius, Ph. Stee, S. Jankov, A. Domiciano de Souza, U. Graser, T. Herbst, E. Janot-Pacheco, R. Koehler et al. (5 more) A&A, 435 1 (2005) 275-287 Published online: 25 April 2005 DOI: 10.1051/0004-6361:20041954