@misc{indiciaed88d27e61510,
  title = {Improved RGF method to find saddle points.},
  author = {Michael Hirsch and Wolfgang Quapp},
  year = {2002},
  doi = {10.1002/jcc.10088},
  url = {https://pubmed.ncbi.nlm.nih.gov/11984850/},
  note = {Source identifier: 11984850}
}