1. Knoszinsky, Z., Tomsa, M. and Schütz, W., Measuring of Residual Stresses and Deformations in the Pipe Stalk Testing under Internal Pressure, Mater. otrasl. soveshch. OAO Gazprom “Opyt ekspluatatsii i tekhnicheskoi diagnostika magistral’nykh gazoprovodov s defektami KRN”, (Proc. of Branch Conf. “Experience in the Operation and Technical Diagnostics of Main Gas Pipelines with Stress-Corrosion Cracking Defects”), Yugorsk, 2002, vol. 2, pp. 61–85.
2. Mekhontsev, Yu.A., USSR Inventor’s Certificate no. 111331, Byull. Izobret., 1957.
3. Surkov, Yu.P., Gorchakov, V.A., Sadrtdinov, R.A., et al., Magnetic Testing Techniques Used to Analyze Gas Pipeline Tubes, Defektoskopiya, 2005, no. 9, pp. 74–86 [Rus. J. Nondestr. Test., (Engl. Transl.), 2005, vol. 41, no. 9, pp. 602–608].