@misc{indiciae8d56a64ced51,
  title = {4f resonances with norm-conserving pseudopotentials.},
  author = {DM Bylander and L Kleinman},
  year = {1990},
  doi = {10.1103/physrevb.41.907},
  url = {https://pubmed.ncbi.nlm.nih.gov/9993784/},
  note = {Source identifier: 9993784}
}