@article{6726,
  author = {Gregory Turk and Heinrich Kipphardt and Ralf Matschat and Jochen Vogl and Tamara Gusarova and Michael Czerwensky and Hans-Joachim Heinrich and Akiharu Hioki and Leonid and Brad Methven and Tsutomu Miura and Ole Petersen and Gundel Riebe and Ralph Sturgeon and Lee Yu},
  title = {Purity determination as needed for the realisation of primary standards for elemental determination - status of international comparability},
  year = {2009},
  month = {2009-07-09},
  publisher = {Metrologia},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=902555},
  language = {en},
}