1. A. B. Shaevich, “Reference samples of the chemical composition of substances and materials in the USSR and Russia: historical aspects,” Stand. Obraztsy, No. 3, 7–14 (2012).
2. Federal Law No. 102-FZ of June 26, 2008, On Ensuring the Uniformity of Measurements.
3. Government Decree No. 884 of the Russian Federation, Statute on the State Reference Sample Service for the Composition and Properties of Substances and Materials, Nov. 2, 2009.
4. Order No. 4345 of the Federal Agency for Technical Regulation and Metrology, Statute on the Scientific Methodological Center of the State Reference Sample Service for the Composition and Properties of Substances and Materials, Nov. 30, 2009
5. E. V. Osintseva et al., “Worldwide trends in the area of reference samples and the concept for development the State Service for Reference Samples,” Stand. Obraztsy, No. 1, 6–26 (2014).