@misc{indiciaee43242215ce5,
  title = {Using quaternions to calculate RMSD.},
  author = {Evangelos A Coutsias and Chaok Seok and Ken A Dill},
  year = {2004},
  doi = {10.1002/jcc.20110},
  url = {https://pubmed.ncbi.nlm.nih.gov/15376254/},
  note = {Source identifier: 15376254}
}