@inproceedings{VanOnsem:20139r, author = "Van Onsem, Gerrit", title = "{Measurement of the top-antitop mass difference (CMS)}", doi = "10.22323/1.174.0233", booktitle = "Proceedings of 36th International Conference on High Energy Physics {\textemdash} PoS(ICHEP2012)", year = 2013, volume = "174", pages = "233" }