@misc{indiciaed778ec7d604d,
  title = {Some Combinatorial Properties of Complexes.},
  author = {H Whitney},
  year = {1940},
  doi = {10.1073/pnas.26.2.143},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588327/},
  note = {Source identifier: 16588327}
}