1. GOST R 8.596-2002, GSI. Metrological Support of Measurement Systems. Basic Assumptions.
2. Decree No. 97 of the Ministry of Industry and Trade of the Russian Federation, On Approval of the Administrative Rule for Provision by the Federal Agency for Technical Regulation and Metrology of Government Services for Approval of the Type of Standard Samples or the Types of Means of Measurement, June 25, 2013.
3. MI 2314-2006, GSI. Codifying Groups of Means of Measurement.
4. GOST 16263-70, GSI. Metrology. Terms and Definitions.
5. MI 2247-93, GSI. Metrology. Basic Terms and Definitions.