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Norwegian natural gas transportation systems : operations in a liberalized European gas market | Bok | 622.691(481) D Dahl, Hans Jørgen / - Trondheim : University of Science and Technology, Departmentof Thermal Energy and Hydropower, 2001. - XV, 284, [49] s. (Doktor ingeniøravhandling : 2001:34) - Spr | Dahl, Hans Jørgen | 2001 |