@article{37161, author = {John Travis and Gary Kramer and Melody Smith and Steven Choquette}, title = {Challenges in Providing Standard Reference Materials for Chemical and Pharmaceutical Process Analysis}, year = {1999}, number = {380}, month = {1999-02-02}, publisher = {Analytica Chimica ACTA}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=100829}, language = {en}, }