@article{1311821,
  author = {J Herbst and R Watson},
  title = {5f-Electron Excitation Energies and the Coulomb Term, U, in the Light Actinide Metals},
  year = {1975},
  number = {34},
  month = {1975-06-02 00:06:00},
  publisher = {Physical Review B (Condensed Matter and Materials Physics)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=620082},
  language = {en},
}