@misc{indiciae260a1bd42996,
  title = {Evolution in a time-varying environment.},
  author = {R A Armstrong and M E Gilpin},
  year = {1977},
  doi = {10.1126/science.835017},
  url = {https://pubmed.ncbi.nlm.nih.gov/835017/},
  note = {Source identifier: 835017}
}