@misc{indiciae7f9367dd78f1,
  title = {Gifts with strings attached.},
  author = {S H CLIFFORD},
  year = {1953},
  doi = {10.1016/s0022-3476(53)80076-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/13097313/},
  note = {Source identifier: 13097313}
}