@misc{indiciaea614d2008c8e,
  title = {Problems in the fourth dimension.},
  author = {M Grant},
  year = {1987},
  doi = {10.1111/j.1360-0443.1987.tb01500.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3474002/},
  note = {Source identifier: 3474002}
}