New triple systems in the RasTyc sample of stellar X-ray sources A. Klutsch, A. Frasca, P. Guillout, R. Freire Ferrero, E. Marilli, G. Mignemi and K. Biazzo A&A, 490 2 (2008) 737-742 Published online: 11 September 2008 DOI: 10.1051/0004-6361:200810139