1. Athena: exploring the hot and energetic universe;Nandra,2014
2. The Hot and Energetic Universe: A White Paper presenting the science theme motivating the Athena+ mission;Nandra,2013
3. The Hot and Energetic Universe: The Optical Design of the Athena+ Mirror;Willingale,2013
4. The X-ray Integral Field Unit (X-IFU) for Athena;Ravera,2014
5. Development of TES-based detectors array for the x-ray integral _eld unit (X-IFU) on the future x-ray observatory Athena;Gottardi,2014