@misc{indiciae747af851398a,
  title = {Ab initio calculations on large molecules using molecular fragments. Model peptide studies.},
  author = {L L Shipman and R E Christoffersen},
  year = {1973},
  doi = {10.1021/ja00786a009},
  url = {https://pubmed.ncbi.nlm.nih.gov/4689322/},
  note = {Source identifier: 4689322}
}