I. Bakke, S.-E. Fleten, L. I. Hagfors, V. Hagspiel, B. Norheim, Journal of Commodity Markets, Volume 3, Issue 1, September 2016, Pages 54-69
I. Bakke, S.-E. Fleten, L. I. Hagfors, V. Hagspiel, B. Norheim, Journal of Commodity Markets, Volume 3, Issue 1, September 2016, Pages 54-69