1. Best: Desulphurizing for the Bessemer Process. Blast Furnace and Steel Plant (March 1950).
2. Wood, Barrett, and Holbrook: Desulphurization of Pig Iron with Calcium Carbide. Trans. AIME (1940) 140, 87.
3. Render: Magnesium Additions and Desulphurization of Cast Irons. American Foundryman (September 1949) p. 33.
4. Tigerschiöld: Desulphurization of Cast Iron. U.S.A. patent 2,243,514.
5. Newell, Langner, and Parsons: New Methods of Ladle Desulphurizing Pig Iron. Foundry Trade Journal(1948) p. 165.