-band IOTA interferometry of the circumstellar environment of R CrB
K. Ohnaka, U. Beckmann, J.-P. Berger, M. K. Brewer, K.-H. Hofmann, M. G. Lacasse, V. Malanushenko, R. Millan-Gabet, J. D. Monnier, E. Pedretti, D. Schertl, F. P. Schloerb, V. I. Shenavrin, W. A. Traub, G. Weigelt and B. F. Yudin