@misc{indiciaeac4605aa1f5b,
  title = {Helium liquefier.},
  author = {S C COLLINS},
  year = {1952},
  doi = {10.1126/science.116.3012.289},
  url = {https://pubmed.ncbi.nlm.nih.gov/12984105/},
  note = {Source identifier: 12984105}
}