@misc{indiciae8819a27700f5,
  title = {Immigration yields.},
  author = {G Keeleric and B D Mudgett},
  year = {1970},
  doi = {10.1126/science.169.3948.817},
  url = {https://pubmed.ncbi.nlm.nih.gov/4914704/},
  note = {Source identifier: 4914704}
}