@misc{indiciae6e8767151af8,
  title = {Liquid nitrogen: how to make it last.},
  author = {J R Walsh},
  doi = {10.5694/j.1326-5377.1995.tb124759.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8538548/},
  note = {Source identifier: 8538548}
}