Crystal electric field parameters for Yb3+ ion in YbRh2Si2
  The tetragonal crystal electric field parameters for Yb3+ ion in YbRh2Si2 are determined from the analysis of the literature data on angle-resolved photoemission, inelastic neutron scattering and electron paramagnetic resonance. 
A. S. Kutuzov, A. M. Skvortsova
cond-mat.str-el