Una Karahasanovic, Florian Kretzschmar, Thomas Boehm, Rudi Hackl, Indranil Paul, Yann Gallais, Joerg Schmalian: Manifestation of nematic degrees of freedom in the Raman response function of iron pnictides. 2015Phys. Rev. B: 92. http://journals.aps.org/prb/abstract/10.1103/PhysRevB.92.075134