1. H. Takano, “Productivity of the Japanese Iron and Steel Industry— Technology for Manpower Saving,” Tetsu-to-Hagane, 67, (1981) (11), pp. 1867–1875.
2. C.G. Davis, J.F. McFarlin, and H.R. Pratt, “Compilation of Reports on Direct Reduction Technology and Economics,” United States Steel Corporation Research Laboratory, under sponsorship of U.S. Department of Energy, Washington, 1981, VI–16.
3. J.J. Moore, “The Potential for Direct Reduction Steelmaking in the Upper Great Lakes Region,” Chapter 4, edited by K.J. Reid, 1981, sponsored by the Upper Great Lakes Regional Commission.
4. R.J. Goodman, “Direct Reduction Processing— State of the Art,” Skillings’ Mining Review, 68,(10) (1979).
5. J.J. Moore and K.J. Reid, “Novel Direct Reduction Technology,” Final Report submitted to the Legislative Commission on Minnesota Resources, July 1981, p. 16.