@misc{indiciaea222486b3bc5,
  title = {Evolutionary genetics. Directed mutations slip-sliding away?},
  author = {R E Lenski and P D Sniegowski},
  year = {1995},
  doi = {10.1016/s0960-9822(95)00023-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/7743184/},
  note = {Source identifier: 7743184}
}