@misc{indiciae37b2b89eb22b,
  title = {Gradient-based direct normal-mode analysis.},
  author = {Alexey L Kaledin},
  year = {2005},
  doi = {10.1063/1.1897376},
  url = {https://pubmed.ncbi.nlm.nih.gov/15918693/},
  note = {Source identifier: 15918693}
}