@misc{indiciae43e7cc7d09ac,
  title = {Internal or shape coordinates in the n-body problem.},
  author = {RG Littlejohn and M Reinsch},
  year = {1995},
  doi = {10.1103/physreva.52.2035},
  url = {https://pubmed.ncbi.nlm.nih.gov/9912462/},
  note = {Source identifier: 9912462}
}