Нежведілов, А. Ю. “Practical Recommendations of Hardening of Steel Shovels of Gas-Turbine Engines Vacuum Thermocyclic Nitriding in Plasma of the Pulsing Smoldering Category”. Technology Audit and Production Reserves, vol. 6, no. 2(8), Dec. 2012, pp. 51-52, doi:10.15587/2312-8372.2012.15629.