GWNotes paper, Yellow Book, website online
The main references to eLISA(NGO) are available. It is the new ESA space-based gravitational wave detector, candidate for L1 mission in Cosmic Vision framework.
Mission name: ”eLISA(NGO) – Revealing a hidden Universe: opening a new chapter of discovery”
– paper (science case): http://arxiv.org/abs/1201.3621
– website: http://www.elisa-ngo.org/
– Yellow Book (ESA document): https://lisa-light.aei.mpg.de/lisa-light/pub/ScienceWorkingTeam/YellowBook/YB_reduced.pdf