@misc{indiciaecfeab240e642,
  title = {Contract grading: incentives and rewards.},
  author = {J B Lindberg and L M Simms},
  year = {1974},
  doi = {10.1111/j.1547-5069.1974.tb01129.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4497821/},
  note = {Source identifier: 4497821}
}