1. GOST (State Standard) no. 9.602–2016: Unified System of Corrosion and Ageing Protection. Underground Constructions. General Requirements for Corrosion Protection, Moscow: Standartinform, 2016.
2. Peabody, A.W., Peabody’s Control of Pipeline Corrosion, Bianchetti, R.L., Ed., Houston, TX: NACE Int., Corrosion Society, 2001, p. 226.
3. Baeckmann, W. and Schwenk, W., Handbuch des kathodischen korrosionsschutzes, theorie und praxis der elektrochemischen schutzverfahren, Weinheim: Verlag Chemie, 1980, p. 15.
4. Lalvani, S.B. and Lin, X.A., Corros. Sci., 1994, vol. 36, no. 6, p. 1039.
5. Lalvani, S.B. and Lin, X.A., Corros. Sci., 1996, vol. 38, no. 10, p. 1709.