1. Final Scientific Report for 2008–2009 under Grant of the Russian Federation President for State Support of the Leading Scientific School of the Russian Federation, NSh-3904.2008.3 from the Federal Budget, FGU NII RINKTsE (2009).
2. K. W. Andrews and P. E. Brooker, “Chi phase in alloy steels. Its relationship to sigma phase,” Met. Treat. A. Drop Forging, 18, No. 70, 301–311 (1951).
3. K. Kuo, “New intermediate phase in burnt tungsten steel,” J. Met., 8, 97 (1956).
4. H. J. Goldschmidt, “Occurrence of the beta-manganese structure in transition metal alloys, and some observation on chi-phase equilibria,” Metallurgia, 56, No. 333, 17'–26' (1957).
5. H. J. Goldschmidt, Interstitial Alloys, Butterworths, London (1967).