VLTI/AMBER observations of the Seyfert nucleus of NGC 3783 G. Weigelt, K.-H. Hofmann, M. Kishimoto, S. Hönig, D. Schertl, A. Marconi, F. Millour, R. Petrov, D. Fraix-Burnet, F. Malbet et al. (2 more) A&A, 541 (2012) L9 Published online: 16 May 2012 DOI: 10.1051/0004-6361/201219213