G. Aad, B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, Z. Hubáček, M. Vlasák, K. Augsten, T. Horažďovský, J. Jakůbek et al.: Measurement of the cross section for the production of a W boson in association with b-jets in pp collisions at root s=7 TeV with the ATLAS detector. Physics Letters B 707(5), 418-437 (2012). doi:10.1016/j.physletb.2011.12.046