Relativistic all-order calculations of energies and matrix elements in cesium.

@article{Blundell1991RelativisticAC,
  title={Relativistic all-order calculations of energies and matrix elements in cesium.},
  author={Blundell and Johnson and Sapirstein},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  year={1991},
  volume={43 7},
  pages={3407-3418}
}