@misc{indiciae45dfc18a9988,
  title = {Freezing material without electricity.},
  author = {Bjørn Berland},
  year = {2006},
  doi = {10.1645/ge-890r.1},
  url = {https://pubmed.ncbi.nlm.nih.gov/17152959/},
  note = {Source identifier: 17152959}
}