Buchwald, Vagn Fabritius. Iron, Steel and Cast Iron before Bessemer: The Slag-analytical Method and the Role of Carbon and Phosphorus. Copenhagen: Det Kongelige Danske Videnskabernes Selskab, 2008.

Buchwald, Vagn Fabritius. Iron, Steel and Cast Iron before Bessemer: The Slag-analytical Method and the Role of Carbon and Phosphorus. Copenhagen: Det Kongelige Danske Videnskabernes Selskab, 2008.