@misc{indiciaefb1365698cd0,
  title = {Molecular forces in protein structure and crystallography.},
  author = {G N Ramachandran},
  year = {1969},
  doi = {10.1111/j.1399-3011.1969.tb01622.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5406489/},
  note = {Source identifier: 5406489}
}