@inproceedings{Lipka:2014aJ, author = "Lipka, Katerina", title = "{Probing QCD with top-quark pairs at CMS}", doi = "10.22323/1.180.0086", booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP 2013)", year = 2014, volume = "180", pages = "086" }