TY - JOUR AU - John Sieber C2 - Astm Standardization News DA - 2005-06-01 LA - en M1 - 33 PB - Astm Standardization News PY - 2005 TI - Creating Standard Reference Materials for Testing Declarable Substances in Materials. UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=832090 ER -