The electronic structure of homogeneous ferromagnetic (Ga, Mn)N epitaxial films. - Piskorska-Hommel, E.; Winiarski, M. J.; Kunert, G.; Demchenko, I. N.; Roshchupkina, O. D.; Grenzer, J.; Falta, J.; Hommel, D.; Holý, V. (Journal of Applied Physics, 2015)