@misc{indiciaeb51d158150b3,
  title = {Efficient methane/nitrogen separation with low-sodium clinoptilolite.},
  author = {Jodie E Guest and Craig D Williams},
  year = {2002},
  doi = {10.1039/b208930k},
  url = {https://pubmed.ncbi.nlm.nih.gov/12478788/},
  note = {Source identifier: 12478788}
}