@misc{indiciae93a18f66bb04,
  title = {Trigonal interactions in holmium.},
  author = {JA Simpson and DF McMorrow and RA Cowley and DA Jehan},
  year = {1995},
  doi = {10.1103/physrevb.51.16073},
  url = {https://pubmed.ncbi.nlm.nih.gov/9978588/},
  note = {Source identifier: 9978588}
}