1. Hydrometallurgy at the Sunshine mine metallurgical complex;Ackerman,1993
2. Leaching of antimony from a refractory precious metals concentrate;Anderson,1993
3. Awe, S.A., Selective removal of impurity elements from Maurliden Vastra complex sulphides flotation concentrate, MSc Thesis, Luleå University of Technology, Luleå, 2008, p. 42.
4. Dissolution kinetics of sphalerite in acidic ferric chloride leaching;Aydogan;Chemical Engineering Journal,2005
5. Extractive Metallurgy of Activated Minerals;Baláž,2000