1. Aschenbach, B. 2007, in SPIE Conf. Ser., 6688, 66880I
2. HR 1099 : a new bright RS CVn variable.
3. Bräuninger, H., Burkert, W., Hartner, G. D., et al. 2004, in Optics for EUV, X-Ray, and Gamma-Ray Astronomy, eds. O. Citterio, & S. L. O’Dell, SPIE Conf. Ser., 5168, 283
4. Cottam, J., Kahn, S., Rasmussen, A., Spodek, J., & Paerels, F. 1998, in Science with XMM, http://xmm.esac.esa.int/external/xmm_science/workshop/1st_workshop/index.shtml
5. Cox, D. P. 1998, in IAU Colloq. 166: The Local Bubble and Beyond, eds. D. Breitschwerdt, M. J. Freyberg, & J. Truemper (Berlin: Springer Verlag), Lect. Not. Phys., 506, 121