@article{215161,
  author = {Patrick Abbott and S Tison},
  title = {Commercial helium permeation leak standards: Their properties and reliability},
  year = {1996},
  month = {1996-02-12},
  publisher = {Journal of Vacuum Science & Technology A},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=920805},
  language = {en},
}