1. GOST 18442-80. Non-Destructive Control. Capillary Methods. General Requirements (Izd. Standartov, Moscow, 1987).
2. GOST 977-88. Steel Castings. General Technical Specifications (Izd. Standartov, Moscow, 1990).
3. GOST 1778-70. Steel. Metallographic Methods for Determining Nonmetallic Inclusions. Reissue with Changes (Izd. Standartov, Moscow, 2011).
4. GOST 5639-82. Steels and Alloys. Methods for Detection and Determination of Grain Size. Reissue with Changes (Izd. Standartov, Moscow, 2003).
5. I. I. Mukhanov, “Ultrasound reinforcing finishing of steel and cast iron,” Vestn. Mashinostr., No. 6, 64–66 (1968).