@inproceedings{Klein:2011NR, author = "Klein, Max", title = "{The LHeC Conceptual Design}", doi = "10.22323/1.120.0520", booktitle = "Proceedings of 35th International Conference of High Energy Physics {\textemdash} PoS(ICHEP 2010)", year = 2011, volume = "120", pages = "520" }