@article{56431,
  author = {Katherine Sharpless},
  title = {Quality Focus: Certified Reference Materials},
  year = {2010},
  month = {2010-06-01},
  publisher = {Nutraceuticals World},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905405},
  language = {en},
}