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We report measurements of the inelastic neutron scattering spectrum for the anisotropic intermediate valence system Yb{sub 2}Rh{sub 3}Ga{sub 9}. Calculations for the Anderson impurity model with crystal field terms within an approach based on the non-crossing approximation have been performed for the inelastic neutron scattering spectrum as well as other thermodynamic quantities. These results corroborate the importance of crystal field effects in these materials. They also suggest that Anderson lattice effects are important to the physics of Yb{sub 2}Rh{sub 3}Ga{sub 9}.