Barcons, X., Nandra, K., Barret, D., den Herder, J.-W., Fabian, A. C., Piro, L., Watson, M. G., & Athena team (2015). Athena: the X-ray observatory to study the hot and energetic universe. Journal of Physics: Conference Series, 610:. doi:10.1088/1742-6596/610/1/012008.