TY - JOUR AU - John Travis AU - Gary Kramer AU - Melody Smith AU - Steven Choquette C2 - Analytica Chimica ACTA DA - 1999-02-02 LA - en M1 - 380 PB - Analytica Chimica ACTA PY - 1999 TI - Challenges in Providing Standard Reference Materials for Chemical and Pharmaceutical Process Analysis UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=100829 ER -