References
- Hellmer , S. 1997 . Competitive Strength in Iron Ore Production , Sweden : Division of Economics, Luleå University of Technology . Doctoral Thesis
- Hellmer , S. 1998 . “Iron Ore Production Costs in Russia,” . Sweden : TMs, Division of Economics, Luleå University of Technology .
- Hellmer , S. and Nilsson , M. 1999 . “Minimizing Total Cost for the Russian Iron Ore Industry Before and After Transport Cost Implementation: A Linear Programming Approach,” . TMs, Division of Economics, Luleå University of Technology .
- Mitchell , B.R. , ed. 1992 . International Historical Statistics 1750–1988, Europe , London : MacMillan Press .
- Mitchell , B.R. , ed. 1992 . International Historical Statistics 1750–1988, The Americas , London : MacMillan Press .
- Swedish Geological Survey (annual) . Järnmalmsrevy [Iron Ore Review] , Uppsala : SGU .
- TRANSLU . 1996 . “Iron Ore Industry of Russia and the FSU,” . Moscow : Russian Academy of Science .