1. Revision of definitions for reference material and certified reference material, ISO Guide 30/AMD1 (2008).
2. Traceability to the SI of amount-of-substance measurements: from ignoring to realizing, a chemist's view
3. Traceability and analytical chemistry
4. Joint committee for guides in metrology, international vocabulary of metrology – basic and general concepts and associated terms (VIM);BIPM;JCGM,2012
5. New brunswick laboratory, certificate of analysis, CRM 116, uranium (enriched) metal, uranium and uranium-235 standard, issued (June) (1978).