Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, E. Aguilo, T. Bergauer, M. Dragicevic, J. Erö, C. Fabjan, et al.,
"Search for contact interactions in μ+μ- events in pp collisions at √s=7 TeV",
Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 87, no. 3, 2013.