A.  Filippetti, Mattoni, A., Caddeo, C., Saba, M. I., and Delugas, P., ?Low electron-polar optical phonon scattering as a fundamental aspect of carrier mobility in methylammonium lead halide CH3NH3PbI3 perovskites?, Physical Chemistry Chemical Physics, vol. 18, pp. 15352-15362, 2016.