1. B. Lux:Gies-Forschung, 1970, vol. 22, p. 65 and 161. English translation:AFS Cast Met. Res. J., 1972, vol. 8, p. 25 and 49.
2. J. Kaverian, H. F. Taylor, and J. Wulff:Amer. Found., 1953, vol. 23, p. 85.
3. H. Nipper:Giesserei, 1935, vol. 22, p. 280.
4. H. Morrogh and W. J. Williams:J. Iron Steel Inst., 1947, vol. 155, p. 349.
5. J. P. Sadocha and J. E. Gruzleski:The Metallurgy of Cast Iron, p. 443, Georgi Pub. Co., St. Saphorin, Switzerland, 1975.