@misc{indiciae9ff80143b709,
  title = {Z-closure.},
  author = {J T Hueston},
  year = {1973},
  doi = {10.5694/j.1326-5377.1973.tb110517.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4573377/},
  note = {Source identifier: 4573377}
}