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Publications from author Wiersma, B. 
Ovrelid, E.; Geerligs, L.J.; Waernes, A.; Raaness, O.; Solheim, I.; Jensen, R.; Tang, K.; Santen, S.; Wiersma, B.;
Solar Grade Silicon by a Direct Metallurgical Process
ECN-RX--06-062 EN juni 2006; 12 pag.
Presented at: Silicon for the Chemical Industry VIII, Trondheim, Norway, 12-16 juni 2006.
Waernes, A.N.; Raaness, O.S.; Ovrelid, E.J.; Geerligs, L.J.; Wyers, G.P.; Santen, S.; Wiersma, B.;
New Feedstock Materials
ECN-RX--05-022 EN september 2005; 6 pag.
Presented at: Freiberg Solartage, Freiberg, Germany, 9 september 2005.
Geerligs, L.J.; Manshanden, P.; Wyers, G.P.; Ovrelid, E.J.; Raaness, O.S.; Waernes, A.N.; Wiersma, B.;
Specification of solar grade silicon: how common impurities affect the cell efficiency of mc-Si solar cells
ECN-RX--05-011 EN juni 2005; 4 pag.
Presented at: 20th European Photovoltaic Solar Energy Conference and Exhibition, Barcelona, Spain, 6-10 juni 2005.
Geerligs, L.J.; Wyers, G.P.; Jensen, R.; Raaness, O.S.; Waernes, A.N.; Santén, S.; Reinink, A.; Wiersma, B.;
Solar-grade silicon by a direct route based on carbothermic reduction of silica: requirements and production technology
ECN-RX--02-042 EN september 2002; 4 pag.
Presented at: 12th Workshop on Crystalline Silicon Solar Cell Materials and Processes, Breckenridge CO, USA, 11-14 augustus 2002.
Schönecker, A.; Laas, L.J.; Gutjahr, A.; Wyers, G.P.; Reinink, A.; Wiersma, B.;
Ribbon-Growth-on-Substrate : progress in high-speed crystalline silicon wafer manufacturing
ECN-RX--02-023 EN juli 2002; 4 pag.
Presented at: 29th IEEE Photovoltaic Specialists Conference, New Orleans, USA, 20-24 mei 2002.