@misc{indiciaeefd282a08948,
  title = {Structural trees for protein superfamilies.},
  author = {A V Efimov},
  year = {1997},
  doi = {10.1002/(sici)1097-0134(199706)28:2<241::aid-prot12>3.0.co;2-i},
  url = {https://pubmed.ncbi.nlm.nih.gov/9188741/},
  note = {Source identifier: 9188741}
}