1. E. B. Pretorius Fundamentals of EAF, Ladle Slags and Ladle Refining Principles 2017 http://etech.lwbref.com/Downloads/Theory/Fundamentals%20of%20EAF%20and%20ladle%20slags%20and%20ladle%20refining%20principles.pdf
2. E. B. Pretorius R. Marr The Effect of Slag Models to Improve Steelmaking Processes 2017 http://etech.lwbref.com/Downloads/Theory/The%20effect%20of%20slag%20modeling%20to%20improve%20steelmaking%20processes.pdf
3. Secondary Steelmaking