1. Schoukens AF, Denton GM and Jones RT: ‘Pilot-plant production of Prime Western grade zinc from lead blast-furnace slags using the Enviroplas process’, Proc. 3rd Int. Symp. on ‘Recycling of metals and engineered materials’, 857–868; 1995, Warrendale, PA, TMS.
2. Barcza NA, Robertson DG, Schoukens AF, Shaw F, Denton GM, Worcester A and Bailey DJ: Recycling lead and zinc into the 21st century, Madrid, Spain, June 1995, International Lead and Zinc Study Group, 73–89.
3. Peng R, Ren H and Zhang X: ‘Metallurgy of lead and zinc’; 2003, Beijing, Science Press.
4. Experimental study of phase equilibria in the “FeO”-ZnO-(CaO + SiO2) system with CaO/SiO2 weight ratios of 0.33, 0.93, and 1.2 in equilibrium with metallic iron
5. Fundamentals of zinc recovery from metallurgical wastes in the Enviroplas process