1. 1) S. W. Smith: Roberts-Austen: A record of his works, (Charles-Griffin and Company, Limited: London, 1914) pp. 18–25.
2. 2) C. S. Barrett and T. B. Massalski: The Structure of Metals, (McGraw-Hill, New York, 1966).
3. 3) S. Epstein: The Alloys of Iron and Carbon, Volume 1: Constitution, (McGraw-Hill, New York, 1936).
4. 4) T. Nishizawa: Thermodynamics of Microstructures, (ASM International, Materials Park, Ohio, 2008).
5. 5) A. Westgren and G. Phragmén: J. Iron Steel Inst. 105 (1922) 241.