@inproceedings{Bruning:2012tb, author = "Bruning, Oliver and Klein, M.", title = "{Large Hadron electron Collider accelerator design concepts }", doi = "10.22323/1.134.0040", booktitle = "Proceedings of XXIst International Europhysics Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2011)", year = 2012, volume = "134", pages = "040" }