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3. D. A. Harris and R. J. Maitland: “Products of the Isothermal Decomposition of Austenite in a Nodular Graphite Cast Iron,” unpublished work, BCIRA.
4. J. Dodd: “High-Strength, High-Ductility, Ductile Irons,”Mod. Cast., May 1978, vol. 68, pp. 60–66.
5. T. Shiokawa: “Austempering of Nodular Cast Irons, Their Mechanical Properties and Some Practical Applications,” paper presented at the 59th Japan Ductile Cast Iron Association Conference, November 17, 1978.