1. 1) X. H. Huang: Principles of Steel Metallurgy, 3rd ed., Metallurgical Industry Press, Beijing, (2013), 211 (in Chinese).
2. 2) P. Herasymenko: Trans. Faraday Soc., 34 (1938), 1254.
3. 3) F. Körber and W. Oelsen: Mitt. Kaiser-Wilhelm-Inst. Eisenforsch. Duesseldorf, 17 (1935), 231 (in German).
4. 4) W. J. Rankin and A. K. Biswas: Arch. Eisenhuettenwes., 50 (1979), 7.
5. 5) S. T. Tsai: Dr. thesis, The Pennsylvania State University, (1981), https://search.proquest.com/docview/303167026?accountid=28857, (accessed 2016-05-23).