1. High Energy Astrophysics: The Generation-X Mission, http://www.cfa.harvard.edu/hea/genx/
2. Science with Generation-X;Wolk,2008
3. Design Concepts for the Generation-X Mission;Lillie,2009
4. Affordable and lightweight high-resolution x-ray optics for astronomical missions;Zhang,2014
5. Development status of adjustable grazing incidence optics for 0.5 arc second x-ray imaging;Reid,2013