1. Committee for a Decadal Survey of Astronomy and Astrophysics; National Research Council, [New Worlds, New Horizons in Astronomy and Astrophysics], The National Academies Press (2010).
2. Generation-x: a large aperture, high angular resolution x-ray observatory for the 2010’s;Zhang,2001
3. Generation-X: An X-ray observatory designed to observe first light objects
4. The international x-ray observatory;White,2010
5. Smart-x: square meter arcsecond resolution x-ray telescope;Vikhlinin,2012