@misc{indiciae9c5072c00887,
  title = {Improved derivative of a phage lambda EK2 vector for cloning recombinant DNA.},
  author = {D Tiemer and L Enquist and P Leder},
  year = {1976},
  doi = {10.1038/263526a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/1067476/},
  note = {Source identifier: 1067476}
}