1. Schöbel, J.D.: Recent Research on Cast Iron. Gorden and Breach, New York (1964)
2. Emerson, P.J., Simmons, W.: Final report on the evaluation of the graphite form in ferritic ductile iron by ultrasonic and sonic testing, and the effect of graphite form on mechanical properties. AFS Trans. 76-26, 109–128 (1976)
3. Elliott, R.: Cast Iron Technology. Butterworth and Co., London (1988)
4. Imasogie, B.I., Wendt, U.: Characterization of graphite particle shape in spheroidal graphite iron using a computer-based image analyzer. J. Miner. Mater. Charact. Eng. 3, 1–12 (2004)
5. Shiraki, N., Usui, Y., Kanno, T.: Effects of number of graphite nodules on fatigue limit and fracture origins in heavy section spheroidal graphite cast iron. Mater. Trans. 57, 379–384 (2016)