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Master plan for uprating and refurbishing hydroelectric power plants in Norway | Bok | 621.22(06)(481) N Norwegian water resources abd energy administration (NVE) / - Oslo : NVE, 1989. [Bok]. - 17 s. + vedlegg (NVE Diverse : 1989) - Språk: Engelsk | Norwegian water resources abd energy administration (NVE) | 1989 |