@misc{indiciaebce436f1dcbc,
  title = {Function Space-Time Manifolds.},
  author = {A D Michal},
  year = {1931},
  doi = {10.1073/pnas.17.4.217},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577350/},
  note = {Source identifier: 16577350}
}