1. 1. RW Lee . Lead-Zinc 2000: The Minerals . Metals & Materials Society, Warrendale, 2000 : 455 -466 .
2. 3. MW Gammon, RW Craig, WH Hunter, and IP Wilson . Hobart, Australia: The Australian Institute of Mining and Metallurgy, Melbourne, 1993 : 465 -475 .
3. 4. B Zhao . Phase equilibria for copper smelting and zinc/lead reduction slags . PhD Thesis , Department of Mining, Minerals and Materials Engineering, The University of Queensland, Brisbane, 1999 .
4. The system MgO-FeO-Fe 2 O 3 in air at one atmosphere