@article{1343806,
  author = {Peter Mohr and William D. Phillips},
  title = {Dimensionless units in the SI},
  year = {2015},
  number = {52},
  month = {2015-05-31 04:05:00},
  publisher = {Metrologia},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=917057},
  language = {en},
}