@misc{indiciae4a6f14129bcd,
  title = {Breeding for increased productivity.},
  author = {G Wiener},
  year = {1973},
  doi = {10.1136/vr.92.23.609},
  url = {https://pubmed.ncbi.nlm.nih.gov/4731137/},
  note = {Source identifier: 4731137}
}