@misc{indiciae2fd0a2665f8f,
  title = {E. coli sigma factor: a positive control element in phage T4 development.},
  author = {E K Bautz and F A Bautz and J J Dunn},
  year = {1969},
  doi = {10.1038/2231022a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4897820/},
  note = {Source identifier: 4897820}
}