1. Geological Survey of Norway, Leiv Eirikssons vei 39, 7040 Trondheim, Norway
2. Norwegian University of Science and Technology, Industrial Ecology Programme, Høgskoleringen 5, NO-7034 Trondheim, Norway
3. Drielsma Resources Europe, 2585 GT The Hague, Netherlands
4. Luleå University of Technology, Department of Business Administration, Technology and Social Sciences, 97187 Luleå, Sweden
5. British Geological Survey, Keyworth, Nottingham NG12 5GG, United Kingdom
6. Petronavit AS, C/o Heiberg, Stokkahagen 23, 4022 Stavanger, Norway
7. U.S. Geological Survey, National Mineral Information Center, 12201 Sunrise Valley Dr., MS 988, Reston, Virginia 20192, United States