@inproceedings{Tzeng:2011LY, author = "Tzeng, Yeng-Ming", title = "{Alignment and detection efficiency of CMS Preshower detector}", doi = "10.22323/1.120.0043", booktitle = "Proceedings of 35th International Conference of High Energy Physics {\textemdash} PoS(ICHEP 2010)", year = 2011, volume = "120", pages = "043" }