@misc{indiciae142b38b1bc7d,
  title = {Space and program development.},
  author = {D Fredrickson},
  year = {1970},
  doi = {10.1093/ptj/50.8.1179},
  url = {https://pubmed.ncbi.nlm.nih.gov/5456841/},
  note = {Source identifier: 5456841}
}