@inproceedings{Tytgat:2012nc, author = "Tytgat, Michael", title = "{The phase 1 extension of the CMS endcap Resistive Plate Chamber system}", doi = "10.22323/1.159.0063", booktitle = "Proceedings of XI Workshop on Resistive Plate Chambers and Related Detectors {\textemdash} PoS(RPC2012)", year = 2012, volume = "159", pages = "063" }