1. The Hot and Energetic Universe;Nandra,2013
2. ATHENA: system design and implementation for a next-generation x-ray telescope;Ayre,2017
3. The Optical Design of the Athena+ Mirror;Willingale,2013
4. The X-ray Integral Field Unit (X-IFU) for Athena+;Barret,2013
5. The Athena X-ray Integral Field Unit (X-IFU);Barret,2016