New triple systems in the RasTyc sample of stellar X-ray sourcesA. Klutsch, A. Frasca, P. Guillout, R. Freire Ferrero, E. Marilli, G. Mignemi and K. BiazzoA&A, 490 2 (2008) 737-742DOI: https://doi.org/10.1051/0004-6361:200810139