N. Munnikes, B. Muschler, F. Venturini, L. Tassini, W. Prestel, Shimpei Ono, Yoichi Ando, D. C. Peets, W. N. Hardy, Ruixing Liang, D. A. Bonn, A. Damascelli, H. Eisaki, M. Greven, A. Erb, R. Hackl: Pair breaking versus symmetry breaking: Origin of the Raman modes in superconducting cuprates. 2011Physical Review B: 84. ISBN 1098-0121 http://dx.doi.org/10.1103/PhysRevB.84.144523