@misc{indiciae378524640dc8,
  title = {Work or non-work.},
  author = {J S Morgan},
  year = {1968},
  doi = {10.1080/00039896.1968.10665179},
  url = {https://pubmed.ncbi.nlm.nih.gov/5671088/},
  note = {Source identifier: 5671088}
}