1. Department of Earth and Environmental SciencesSchool for Environment and Sustainability, University of Michigan, Arbor Michigan USA
2. CanmetMINING, Natural Resources Canada Ottawa Canada
3. Chemical Engineering Department, Manhattan College, Riverdale New York USA
4. Mutch Associates Ramsey New Jersey USA
5. Eurometaux Brussels Belgium
6. European Copper Institute Brussels Belgium
7. NiPERA Durham North Carolina USA