X-ray circular dichroism as a probe of orbital magnetization.

@article{Thole1992XrayCD,
  title={X-ray circular dichroism as a probe of orbital magnetization.},
  author={Thole and Carra and Sette and G vanderLaan},
  journal={Physical review letters},
  year={1992},
  volume={68 12},
  pages={1943-1946}
}