M. Aaboud, G. Aad, B. Abbott, J. Abdallah, B. Ali, K. Augsten, D. Caforio, P. Gallus, Z. Hubáček, M. Myška et al.: Measurement of the W+ W- production cross section in pp collisions at a centre-of-mass energy of root s=13 TeV with the ATLAS experiment. Physics Letters B 773, 354-374 (2017). doi:10.1016/j.physletb.2017.08.047