Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Ero, J., Fabjan, C., Friedl, M., Fruhwirth, R., Ghete, V.M., Hammer, J., Hansel, S., Hoch, M., Hormann, N., Hrubec, J., Jeitler, M., Kasieczka, G., Kies..............., “Search for a W boson decaying to a muon and a neutrino in pp collisions at root s=7 TeV”, Physics Letters B, 701, 2, 160-179, 2011