@misc{indiciaee63079bba97e,
  title = {Conformational variation in superhelical deoxyribonucleic acid.},
  author = {A M Campbell},
  year = {1978},
  doi = {10.1042/bj1710281},
  url = {https://pubmed.ncbi.nlm.nih.gov/646823/},
  note = {Source identifier: 646823}
}