Wilms, J., Kendziorra, E., Nowak, M. A., Pottschmidt, K., Haberl, F. W., Kirsch, M., & Fritz, S. (2006). EPIC-PN observations of Cygnus X-1. In A., Wilson (Ed.), Proceedings of the X-ray Universe 2005 (pp. 217-222). Noordwijk, The Netherlands: ESA Publications Division.