First-principles study of the giant magneto-optical Kerr effect in MnBi and related compounds - Oppeneer, P. M.; Antonov, V. N.; Kraft, T.; Eschrig, H.; Yaresko, A. N.; Perlov, A. Ya. (American Institute of Physics (AIP), 1996)
http://dx.doi.org/10.1063/1.362847
Keywords: U