@misc{indiciae121c1bac2c44,
  title = {Work function, optical absorption, and second-harmonic generation from alkali-metal atoms adsorbed on metal surfaces.},
  author = {BN Persson and LH Dubois},
  year = {1989},
  doi = {10.1103/physrevb.39.8220},
  url = {https://pubmed.ncbi.nlm.nih.gov/9947531/},
  note = {Source identifier: 9947531}
}