1. P.E. Barbour Secondary Copper, AIME, New York, N.Y., 1936
2. R. Frieden “PRIMUS - A New Process for the Recycling of By-Products and the Prereduction of Iron Ore,” Paper presented at Steel Mill Wastes & By-Products 2000, Gorham, Atlanta, Ga., April 10-12, 2000
3. L.M. Southwick “Perspectives on Hydrometallurically Processing of Zinc Oxide Recovered from Electric Arc Furnace Dust,” Proceedings of the Nickel-Cobalt ′97 International Symposium, C. Diaz, J. Dutrizac, and C.G. Tan (Eds.), CIM, Montreal, 1997, Vol. 3,373-396
4. M.A. Goksel T.A. Schott F.T. Kaiser “Hot Metal Production from Iron Oxides in the Cupola by the MTU-Pelletech Cold Bond Agglomeration Process”. Agglomeration ′85, C.E. Capes (Ed.), Iron and Steel Society of AIME, Warrendale, Pa., 1985, 401-408
5. F.T. Kaiser L.L. French “Iron Ore Concentrates and Waste Oxides in the Cupola,” Modern Casting, April, 1980, 80-83