Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., Fabjan, C., Friedl, M., Frühwirth, R., Ghete, V. M., Hammer, J., Hänsel, S., Hoch, M., Hörmann, N., Hrubec, J., Jeitler, M., Kiesenhofer, W., & Weinberg, M. (2011). Measurement of the tt̄ production cross section in pp collisions at √s=7 TeV using the kinematic properties of events with leptons and jets. The European Physical Journal C, 71(1721). https://doi.org/10.1140/epjc/s10052-011-1721-3