Chatrchyan, S., Khachatryan, V., Sirunyan, A.M., Gülmez, E., Işıldak, B., Kaya, M., Kaya, Ö., Özkürücüklü, S., Sönmez, N. et al., "A search for a doubly-charged Higgs boson in pp collisions at root s=7 TeV", European Physical Journal C, 72, 11, Article Number: 2189 2012.