@misc{indiciae22777d0d3e06,
  title = {A method for multiple superposition of structures.},
  author = {A Shapiro and J D Botha and A Pastore and A M Lesk},
  year = {1992},
  doi = {10.1107/s010876739100867x},
  url = {https://pubmed.ncbi.nlm.nih.gov/1550663/},
  note = {Source identifier: 1550663}
}