@misc{indiciae48da7eb2478a,
  title = {A computer building program for biological structures.},
  author = {W J Perkins and P Polihroniadis},
  year = {1974},
  doi = {10.1016/0022-2836(74)90320-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4850186/},
  note = {Source identifier: 4850186}
}