@misc{indiciae20e6acc99d50,
  title = {Comparing short protein substructures by a method based on backbone torsion angles.},
  author = {M E Karpen and P L de Haseth and K E Neet},
  year = {1989},
  doi = {10.1002/prot.340060206},
  url = {https://pubmed.ncbi.nlm.nih.gov/2622903/},
  note = {Source identifier: 2622903}
}