Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Albayrak, E.A., Gülmez, E., Kaya, M., Kaya, O., Yetkin, T., et.al., " Performance of Electron Reconstruction and Selection with the CMS Detector İn Proton-Proton Collisions at Root S=8 Tev", Journal of Instrumentation, 10, 2015,