@misc{indiciae025ebfcf4ace,
  title = {Finite Linnaean structures.},
  author = {J R Gregg},
  year = {1967},
  doi = {10.1007/bf02476893},
  url = {https://pubmed.ncbi.nlm.nih.gov/6051600/},
  note = {Source identifier: 6051600}
}