1. Vinogradov V.V., Russian language. Grammar teaching about the word, Moscow, 1986, p.20.
2. Arnold I.V, Lexicology of modern English: Textbook for universities, Moscow, 1986, p. 229.
3. R 50.1.075-2011, Development of standards on terms and definitions, p.5.
4. GOST R ISO 704-2010, Terminology work. Principles and methods, p.19
5. Intumescent coatings with improved properties for high-rise construction