@misc{indiciae1a80d4ecd969,
  title = {On keeping pace with the time.},
  author = {G D Zuidema},
  year = {1968},
  doi = {10.1016/0022-4804(68)90093-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/5645914/},
  note = {Source identifier: 5645914}
}