@misc{245476,
  author = {John Sieber and Antonio Possolo and Michael Epstein},
  title = {A Retuned Horwitz Procedure for Upgrading Certificates of Older Standard Reference Materials},
  year = {2019},
  month = {2019-05-10},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.260-198},
  language = {en},
}