@misc{indiciae55c51aabcae3,
  title = {Electronic surface states in beryllium.},
  author = {JC Boettger and SB Trickey},
  year = {1986},
  doi = {10.1103/physrevb.34.3604},
  url = {https://pubmed.ncbi.nlm.nih.gov/9940121/},
  note = {Source identifier: 9940121}
}