Orbits of new Hipparcos binaries. I I. I. Balega, Y. Y. Balega, K.-H. Hofmann, E. A. Pluzhnik, D. Schertl, Z. U. Shkhagosheva and G. Weigelt A&A, 433 2 (2005) 591-596 Published online: 22 March 2005 DOI: 10.1051/0004-6361:20041190