Identification of a complete sample of northern ROSAT All-Sky Survey X-ray sources - VIII. The late-type stellar componentF.-J. Zickgraf, J. Krautter, S. Reffert, J. M. Alcalá, R. Mujica, E. Covino and M. F. SterzikA&A, 433 1 (2005) 151-171DOI: https://doi.org/10.1051/0004-6361:20041847