@misc{indiciaef0850af7f006,
  title = {Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set.},
  author = {G Kresse and J Furthmüller},
  year = {1996},
  doi = {10.1103/physrevb.54.11169},
  url = {https://pubmed.ncbi.nlm.nih.gov/9984901/},
  note = {Source identifier: 9984901}
}